Home / 15,507.20-21,402.98-9,848.56

Finding the Fourth Proportional to 15,507.20, 21,402.98 and 9,848.56

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Solution

The fourth proportional to 15,507.20, 21,402.98 and 9,848.56 is: 13,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.20 : 21,402.98 = 9,848.56 : x
  2. Step 2: Convert to fraction form
    15,507.20/21,402.98 = 9,848.56/x
  3. Step 3: Cross multiply
    15,507.20x = 21,402.98 × 9,848.56
  4. Step 4: Simplify right side
    15,507.20x = 210,788,622.62
  5. Step 5: Solve for x
    x = 210,788,622.62/15,507.20
  6. Step 6: Final answer
    x = 13,592.95

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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.