Home / 9,887.04-13,651.40-6,352.20

Finding the Fourth Proportional to 9,887.04, 13,651.40 and 6,352.20

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Solution

The fourth proportional to 9,887.04, 13,651.40 and 6,352.20 is: 8,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.04 : 13,651.40 = 6,352.20 : x
  2. Step 2: Convert to fraction form
    9,887.04/13,651.40 = 6,352.20/x
  3. Step 3: Cross multiply
    9,887.04x = 13,651.40 × 6,352.20
  4. Step 4: Simplify right side
    9,887.04x = 86,716,423.08
  5. Step 5: Solve for x
    x = 86,716,423.08/9,887.04
  6. Step 6: Final answer
    x = 8,770.72

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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.