Home / 10,755.48-14,838.87-6,719.57

Finding the Fourth Proportional to 10,755.48, 14,838.87 and 6,719.57

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Solution

The fourth proportional to 10,755.48, 14,838.87 and 6,719.57 is: 9,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.48 : 14,838.87 = 6,719.57 : x
  2. Step 2: Convert to fraction form
    10,755.48/14,838.87 = 6,719.57/x
  3. Step 3: Cross multiply
    10,755.48x = 14,838.87 × 6,719.57
  4. Step 4: Simplify right side
    10,755.48x = 99,710,825.69
  5. Step 5: Solve for x
    x = 99,710,825.69/10,755.48
  6. Step 6: Final answer
    x = 9,270.70

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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.