Home / 19,280.32-26,612.08-13,965.04

Finding the Fourth Proportional to 19,280.32, 26,612.08 and 13,965.04

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Solution

The fourth proportional to 19,280.32, 26,612.08 and 13,965.04 is: 19,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.32 : 26,612.08 = 13,965.04 : x
  2. Step 2: Convert to fraction form
    19,280.32/26,612.08 = 13,965.04/x
  3. Step 3: Cross multiply
    19,280.32x = 26,612.08 × 13,965.04
  4. Step 4: Simplify right side
    19,280.32x = 371,638,761.68
  5. Step 5: Solve for x
    x = 371,638,761.68/19,280.32
  6. Step 6: Final answer
    x = 19,275.55

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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.