Home / 9,133.12-12,603.76-5,045.04

Finding the Fourth Proportional to 9,133.12, 12,603.76 and 5,045.04

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Solution

The fourth proportional to 9,133.12, 12,603.76 and 5,045.04 is: 6,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.12 : 12,603.76 = 5,045.04 : x
  2. Step 2: Convert to fraction form
    9,133.12/12,603.76 = 5,045.04/x
  3. Step 3: Cross multiply
    9,133.12x = 12,603.76 × 5,045.04
  4. Step 4: Simplify right side
    9,133.12x = 63,586,473.35
  5. Step 5: Solve for x
    x = 63,586,473.35/9,133.12
  6. Step 6: Final answer
    x = 6,962.19

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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.