Home / 15,562.18-23,312.40-7,230.70

Finding the Fourth Proportional to 15,562.18, 23,312.40 and 7,230.70

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Solution

The fourth proportional to 15,562.18, 23,312.40 and 7,230.70 is: 10,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.18 : 23,312.40 = 7,230.70 : x
  2. Step 2: Convert to fraction form
    15,562.18/23,312.40 = 7,230.70/x
  3. Step 3: Cross multiply
    15,562.18x = 23,312.40 × 7,230.70
  4. Step 4: Simplify right side
    15,562.18x = 168,564,970.68
  5. Step 5: Solve for x
    x = 168,564,970.68/15,562.18
  6. Step 6: Final answer
    x = 10,831.71

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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.