Home / 15,890.46-23,831.12-6,402.75

Finding the Fourth Proportional to 15,890.46, 23,831.12 and 6,402.75

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Solution

The fourth proportional to 15,890.46, 23,831.12 and 6,402.75 is: 9,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.46 : 23,831.12 = 6,402.75 : x
  2. Step 2: Convert to fraction form
    15,890.46/23,831.12 = 6,402.75/x
  3. Step 3: Cross multiply
    15,890.46x = 23,831.12 × 6,402.75
  4. Step 4: Simplify right side
    15,890.46x = 152,584,671.57
  5. Step 5: Solve for x
    x = 152,584,671.57/15,890.46
  6. Step 6: Final answer
    x = 9,602.28

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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.