Home / 11,373.40-15,747.78-10,498.60

Finding the Fourth Proportional to 11,373.40, 15,747.78 and 10,498.60

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Solution

The fourth proportional to 11,373.40, 15,747.78 and 10,498.60 is: 14,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.40 : 15,747.78 = 10,498.60 : x
  2. Step 2: Convert to fraction form
    11,373.40/15,747.78 = 10,498.60/x
  3. Step 3: Cross multiply
    11,373.40x = 15,747.78 × 10,498.60
  4. Step 4: Simplify right side
    11,373.40x = 165,329,643.11
  5. Step 5: Solve for x
    x = 165,329,643.11/11,373.40
  6. Step 6: Final answer
    x = 14,536.52

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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.