Home / 10,710.88-14,781.58-6,730.52

Finding the Fourth Proportional to 10,710.88, 14,781.58 and 6,730.52

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Solution

The fourth proportional to 10,710.88, 14,781.58 and 6,730.52 is: 9,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.88 : 14,781.58 = 6,730.52 : x
  2. Step 2: Convert to fraction form
    10,710.88/14,781.58 = 6,730.52/x
  3. Step 3: Cross multiply
    10,710.88x = 14,781.58 × 6,730.52
  4. Step 4: Simplify right side
    10,710.88x = 99,487,719.82
  5. Step 5: Solve for x
    x = 99,487,719.82/10,710.88
  6. Step 6: Final answer
    x = 9,288.47

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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.