Home / 21,263.31-29,312.96-14,956.11

Finding the Fourth Proportional to 21,263.31, 29,312.96 and 14,956.11

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Solution

The fourth proportional to 21,263.31, 29,312.96 and 14,956.11 is: 20,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.31 : 29,312.96 = 14,956.11 : x
  2. Step 2: Convert to fraction form
    21,263.31/29,312.96 = 14,956.11/x
  3. Step 3: Cross multiply
    21,263.31x = 29,312.96 × 14,956.11
  4. Step 4: Simplify right side
    21,263.31x = 438,407,779.41
  5. Step 5: Solve for x
    x = 438,407,779.41/21,263.31
  6. Step 6: Final answer
    x = 20,618.04

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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.