Home / 10,536.96-14,543.28-7,187.79

Finding the Fourth Proportional to 10,536.96, 14,543.28 and 7,187.79

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Solution

The fourth proportional to 10,536.96, 14,543.28 and 7,187.79 is: 9,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.96 : 14,543.28 = 7,187.79 : x
  2. Step 2: Convert to fraction form
    10,536.96/14,543.28 = 7,187.79/x
  3. Step 3: Cross multiply
    10,536.96x = 14,543.28 × 7,187.79
  4. Step 4: Simplify right side
    10,536.96x = 104,534,042.55
  5. Step 5: Solve for x
    x = 104,534,042.55/10,536.96
  6. Step 6: Final answer
    x = 9,920.70

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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.