Home / 15,688.10-23,473.34-9,339.76

Finding the Fourth Proportional to 15,688.10, 23,473.34 and 9,339.76

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Solution

The fourth proportional to 15,688.10, 23,473.34 and 9,339.76 is: 13,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.10 : 23,473.34 = 9,339.76 : x
  2. Step 2: Convert to fraction form
    15,688.10/23,473.34 = 9,339.76/x
  3. Step 3: Cross multiply
    15,688.10x = 23,473.34 × 9,339.76
  4. Step 4: Simplify right side
    15,688.10x = 219,235,315.30
  5. Step 5: Solve for x
    x = 219,235,315.30/15,688.10
  6. Step 6: Final answer
    x = 13,974.62

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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.