Home / 15,102.50-22,581.66-13,779.10

Finding the Fourth Proportional to 15,102.50, 22,581.66 and 13,779.10

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Solution

The fourth proportional to 15,102.50, 22,581.66 and 13,779.10 is: 20,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.50 : 22,581.66 = 13,779.10 : x
  2. Step 2: Convert to fraction form
    15,102.50/22,581.66 = 13,779.10/x
  3. Step 3: Cross multiply
    15,102.50x = 22,581.66 × 13,779.10
  4. Step 4: Simplify right side
    15,102.50x = 311,154,838.40
  5. Step 5: Solve for x
    x = 311,154,838.40/15,102.50
  6. Step 6: Final answer
    x = 20,602.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.