Home / 16,621.95-22,926.56-9,902.40

Finding the Fourth Proportional to 16,621.95, 22,926.56 and 9,902.40

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Solution

The fourth proportional to 16,621.95, 22,926.56 and 9,902.40 is: 13,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.95 : 22,926.56 = 9,902.40 : x
  2. Step 2: Convert to fraction form
    16,621.95/22,926.56 = 9,902.40/x
  3. Step 3: Cross multiply
    16,621.95x = 22,926.56 × 9,902.40
  4. Step 4: Simplify right side
    16,621.95x = 227,027,832.26
  5. Step 5: Solve for x
    x = 227,027,832.26/16,621.95
  6. Step 6: Final answer
    x = 13,658.31

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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.