Home / 10,223.90-15,336.15-4,376.71

Finding the Fourth Proportional to 10,223.90, 15,336.15 and 4,376.71

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Solution

The fourth proportional to 10,223.90, 15,336.15 and 4,376.71 is: 6,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.90 : 15,336.15 = 4,376.71 : x
  2. Step 2: Convert to fraction form
    10,223.90/15,336.15 = 4,376.71/x
  3. Step 3: Cross multiply
    10,223.90x = 15,336.15 × 4,376.71
  4. Step 4: Simplify right side
    10,223.90x = 67,121,881.07
  5. Step 5: Solve for x
    x = 67,121,881.07/10,223.90
  6. Step 6: Final answer
    x = 6,565.19

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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.