Home / 18,060.48-24,868.08-15,809.76

Finding the Fourth Proportional to 18,060.48, 24,868.08 and 15,809.76

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Solution

The fourth proportional to 18,060.48, 24,868.08 and 15,809.76 is: 21,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.48 : 24,868.08 = 15,809.76 : x
  2. Step 2: Convert to fraction form
    18,060.48/24,868.08 = 15,809.76/x
  3. Step 3: Cross multiply
    18,060.48x = 24,868.08 × 15,809.76
  4. Step 4: Simplify right side
    18,060.48x = 393,158,376.46
  5. Step 5: Solve for x
    x = 393,158,376.46/18,060.48
  6. Step 6: Final answer
    x = 21,768.99

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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.