Home / 9,133.20-13,710.60-9,068.40

Finding the Fourth Proportional to 9,133.20, 13,710.60 and 9,068.40

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Solution

The fourth proportional to 9,133.20, 13,710.60 and 9,068.40 is: 13,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.20 : 13,710.60 = 9,068.40 : x
  2. Step 2: Convert to fraction form
    9,133.20/13,710.60 = 9,068.40/x
  3. Step 3: Cross multiply
    9,133.20x = 13,710.60 × 9,068.40
  4. Step 4: Simplify right side
    9,133.20x = 124,333,205.04
  5. Step 5: Solve for x
    x = 124,333,205.04/9,133.20
  6. Step 6: Final answer
    x = 13,613.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.