Home / 10,530.32-14,531.65-5,814.50

Finding the Fourth Proportional to 10,530.32, 14,531.65 and 5,814.50

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Solution

The fourth proportional to 10,530.32, 14,531.65 and 5,814.50 is: 8,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.32 : 14,531.65 = 5,814.50 : x
  2. Step 2: Convert to fraction form
    10,530.32/14,531.65 = 5,814.50/x
  3. Step 3: Cross multiply
    10,530.32x = 14,531.65 × 5,814.50
  4. Step 4: Simplify right side
    10,530.32x = 84,494,278.93
  5. Step 5: Solve for x
    x = 84,494,278.93/10,530.32
  6. Step 6: Final answer
    x = 8,023.90

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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.