Home / 11,270.39-15,547.91-7,292.79

Finding the Fourth Proportional to 11,270.39, 15,547.91 and 7,292.79

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Solution

The fourth proportional to 11,270.39, 15,547.91 and 7,292.79 is: 10,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.39 : 15,547.91 = 7,292.79 : x
  2. Step 2: Convert to fraction form
    11,270.39/15,547.91 = 7,292.79/x
  3. Step 3: Cross multiply
    11,270.39x = 15,547.91 × 7,292.79
  4. Step 4: Simplify right side
    11,270.39x = 113,387,606.10
  5. Step 5: Solve for x
    x = 113,387,606.10/11,270.39
  6. Step 6: Final answer
    x = 10,060.66

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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.