Home / 9,426.12-13,008.29-5,177.45

Finding the Fourth Proportional to 9,426.12, 13,008.29 and 5,177.45

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Solution

The fourth proportional to 9,426.12, 13,008.29 and 5,177.45 is: 7,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.12 : 13,008.29 = 5,177.45 : x
  2. Step 2: Convert to fraction form
    9,426.12/13,008.29 = 5,177.45/x
  3. Step 3: Cross multiply
    9,426.12x = 13,008.29 × 5,177.45
  4. Step 4: Simplify right side
    9,426.12x = 67,349,771.06
  5. Step 5: Solve for x
    x = 67,349,771.06/9,426.12
  6. Step 6: Final answer
    x = 7,145.02

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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.