Home / 16,746.32-23,105.19-10,781.44

Finding the Fourth Proportional to 16,746.32, 23,105.19 and 10,781.44

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Solution

The fourth proportional to 16,746.32, 23,105.19 and 10,781.44 is: 14,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,746.32 : 23,105.19 = 10,781.44 : x
  2. Step 2: Convert to fraction form
    16,746.32/23,105.19 = 10,781.44/x
  3. Step 3: Cross multiply
    16,746.32x = 23,105.19 × 10,781.44
  4. Step 4: Simplify right side
    16,746.32x = 249,107,219.67
  5. Step 5: Solve for x
    x = 249,107,219.67/16,746.32
  6. Step 6: Final answer
    x = 14,875.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.