Home / 15,122.79-22,686.62-9,285.93

Finding the Fourth Proportional to 15,122.79, 22,686.62 and 9,285.93

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Solution

The fourth proportional to 15,122.79, 22,686.62 and 9,285.93 is: 13,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.79 : 22,686.62 = 9,285.93 : x
  2. Step 2: Convert to fraction form
    15,122.79/22,686.62 = 9,285.93/x
  3. Step 3: Cross multiply
    15,122.79x = 22,686.62 × 9,285.93
  4. Step 4: Simplify right side
    15,122.79x = 210,666,318.83
  5. Step 5: Solve for x
    x = 210,666,318.83/15,122.79
  6. Step 6: Final answer
    x = 13,930.39

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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.