Home / 9,475.13-13,070.43-6,646.72

Finding the Fourth Proportional to 9,475.13, 13,070.43 and 6,646.72

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Solution

The fourth proportional to 9,475.13, 13,070.43 and 6,646.72 is: 9,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.13 : 13,070.43 = 6,646.72 : x
  2. Step 2: Convert to fraction form
    9,475.13/13,070.43 = 6,646.72/x
  3. Step 3: Cross multiply
    9,475.13x = 13,070.43 × 6,646.72
  4. Step 4: Simplify right side
    9,475.13x = 86,875,423.14
  5. Step 5: Solve for x
    x = 86,875,423.14/9,475.13
  6. Step 6: Final answer
    x = 9,168.78

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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.