Home / 21,471.16-29,594.86-14,395.32

Finding the Fourth Proportional to 21,471.16, 29,594.86 and 14,395.32

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Solution

The fourth proportional to 21,471.16, 29,594.86 and 14,395.32 is: 19,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.16 : 29,594.86 = 14,395.32 : x
  2. Step 2: Convert to fraction form
    21,471.16/29,594.86 = 14,395.32/x
  3. Step 3: Cross multiply
    21,471.16x = 29,594.86 × 14,395.32
  4. Step 4: Simplify right side
    21,471.16x = 426,027,480.06
  5. Step 5: Solve for x
    x = 426,027,480.06/21,471.16
  6. Step 6: Final answer
    x = 19,841.85

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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.