Home / 10,385.90-14,332.53-5,670.18

Finding the Fourth Proportional to 10,385.90, 14,332.53 and 5,670.18

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Solution

The fourth proportional to 10,385.90, 14,332.53 and 5,670.18 is: 7,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.90 : 14,332.53 = 5,670.18 : x
  2. Step 2: Convert to fraction form
    10,385.90/14,332.53 = 5,670.18/x
  3. Step 3: Cross multiply
    10,385.90x = 14,332.53 × 5,670.18
  4. Step 4: Simplify right side
    10,385.90x = 81,268,024.96
  5. Step 5: Solve for x
    x = 81,268,024.96/10,385.90
  6. Step 6: Final answer
    x = 7,824.84

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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.