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Finding the Fourth Proportional to 15,353.95, 22,989.90 and 9,777.10

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Solution

The fourth proportional to 15,353.95, 22,989.90 and 9,777.10 is: 14,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.95 : 22,989.90 = 9,777.10 : x
  2. Step 2: Convert to fraction form
    15,353.95/22,989.90 = 9,777.10/x
  3. Step 3: Cross multiply
    15,353.95x = 22,989.90 × 9,777.10
  4. Step 4: Simplify right side
    15,353.95x = 224,774,551.29
  5. Step 5: Solve for x
    x = 224,774,551.29/15,353.95
  6. Step 6: Final answer
    x = 14,639.53

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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.