Home / 10,154.52-14,014.58-5,679.99

Finding the Fourth Proportional to 10,154.52, 14,014.58 and 5,679.99

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Solution

The fourth proportional to 10,154.52, 14,014.58 and 5,679.99 is: 7,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.52 : 14,014.58 = 5,679.99 : x
  2. Step 2: Convert to fraction form
    10,154.52/14,014.58 = 5,679.99/x
  3. Step 3: Cross multiply
    10,154.52x = 14,014.58 × 5,679.99
  4. Step 4: Simplify right side
    10,154.52x = 79,602,645.85
  5. Step 5: Solve for x
    x = 79,602,645.85/10,154.52
  6. Step 6: Final answer
    x = 7,839.13

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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.