Home / 10,275.36-14,179.98-5,559.66

Finding the Fourth Proportional to 10,275.36, 14,179.98 and 5,559.66

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Solution

The fourth proportional to 10,275.36, 14,179.98 and 5,559.66 is: 7,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.36 : 14,179.98 = 5,559.66 : x
  2. Step 2: Convert to fraction form
    10,275.36/14,179.98 = 5,559.66/x
  3. Step 3: Cross multiply
    10,275.36x = 14,179.98 × 5,559.66
  4. Step 4: Simplify right side
    10,275.36x = 78,835,867.61
  5. Step 5: Solve for x
    x = 78,835,867.61/10,275.36
  6. Step 6: Final answer
    x = 7,672.32

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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.