Home / 19,165.04-26,446.74-10,781

Finding the Fourth Proportional to 19,165.04, 26,446.74 and 10,781

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Solution

The fourth proportional to 19,165.04, 26,446.74 and 10,781 is: 14,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.04 : 26,446.74 = 10,781 : x
  2. Step 2: Convert to fraction form
    19,165.04/26,446.74 = 10,781/x
  3. Step 3: Cross multiply
    19,165.04x = 26,446.74 × 10,781
  4. Step 4: Simplify right side
    19,165.04x = 285,122,303.94
  5. Step 5: Solve for x
    x = 285,122,303.94/19,165.04
  6. Step 6: Final answer
    x = 14,877.21

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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.