Home / 9,642.24-13,307.28-5,865.68

Finding the Fourth Proportional to 9,642.24, 13,307.28 and 5,865.68

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Solution

The fourth proportional to 9,642.24, 13,307.28 and 5,865.68 is: 8,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.24 : 13,307.28 = 5,865.68 : x
  2. Step 2: Convert to fraction form
    9,642.24/13,307.28 = 5,865.68/x
  3. Step 3: Cross multiply
    9,642.24x = 13,307.28 × 5,865.68
  4. Step 4: Simplify right side
    9,642.24x = 78,056,179.61
  5. Step 5: Solve for x
    x = 78,056,179.61/9,642.24
  6. Step 6: Final answer
    x = 8,095.23

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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.