Home / 12,636.19-17,439.56-10,508.05

Finding the Fourth Proportional to 12,636.19, 17,439.56 and 10,508.05

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Solution

The fourth proportional to 12,636.19, 17,439.56 and 10,508.05 is: 14,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.19 : 17,439.56 = 10,508.05 : x
  2. Step 2: Convert to fraction form
    12,636.19/17,439.56 = 10,508.05/x
  3. Step 3: Cross multiply
    12,636.19x = 17,439.56 × 10,508.05
  4. Step 4: Simplify right side
    12,636.19x = 183,255,768.46
  5. Step 5: Solve for x
    x = 183,255,768.46/12,636.19
  6. Step 6: Final answer
    x = 14,502.45

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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.