Home / 15,114.15-22,572.35-12,869.03

Finding the Fourth Proportional to 15,114.15, 22,572.35 and 12,869.03

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Solution

The fourth proportional to 15,114.15, 22,572.35 and 12,869.03 is: 19,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.15 : 22,572.35 = 12,869.03 : x
  2. Step 2: Convert to fraction form
    15,114.15/22,572.35 = 12,869.03/x
  3. Step 3: Cross multiply
    15,114.15x = 22,572.35 × 12,869.03
  4. Step 4: Simplify right side
    15,114.15x = 290,484,289.67
  5. Step 5: Solve for x
    x = 290,484,289.67/15,114.15
  6. Step 6: Final answer
    x = 19,219.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.