Home / 10,332.80-14,261.32-6,140.24

Finding the Fourth Proportional to 10,332.80, 14,261.32 and 6,140.24

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Solution

The fourth proportional to 10,332.80, 14,261.32 and 6,140.24 is: 8,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.80 : 14,261.32 = 6,140.24 : x
  2. Step 2: Convert to fraction form
    10,332.80/14,261.32 = 6,140.24/x
  3. Step 3: Cross multiply
    10,332.80x = 14,261.32 × 6,140.24
  4. Step 4: Simplify right side
    10,332.80x = 87,567,927.52
  5. Step 5: Solve for x
    x = 87,567,927.52/10,332.80
  6. Step 6: Final answer
    x = 8,474.75

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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.