Home / 21,526.86-29,707.65-12,096.30

Finding the Fourth Proportional to 21,526.86, 29,707.65 and 12,096.30

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Solution

The fourth proportional to 21,526.86, 29,707.65 and 12,096.30 is: 16,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.86 : 29,707.65 = 12,096.30 : x
  2. Step 2: Convert to fraction form
    21,526.86/29,707.65 = 12,096.30/x
  3. Step 3: Cross multiply
    21,526.86x = 29,707.65 × 12,096.30
  4. Step 4: Simplify right side
    21,526.86x = 359,352,646.70
  5. Step 5: Solve for x
    x = 359,352,646.70/21,526.86
  6. Step 6: Final answer
    x = 16,693.22

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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.