Home / 12,747.42-17,547.77-11,058.89

Finding the Fourth Proportional to 12,747.42, 17,547.77 and 11,058.89

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Solution

The fourth proportional to 12,747.42, 17,547.77 and 11,058.89 is: 15,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.42 : 17,547.77 = 11,058.89 : x
  2. Step 2: Convert to fraction form
    12,747.42/17,547.77 = 11,058.89/x
  3. Step 3: Cross multiply
    12,747.42x = 17,547.77 × 11,058.89
  4. Step 4: Simplify right side
    12,747.42x = 194,058,798.08
  5. Step 5: Solve for x
    x = 194,058,798.08/12,747.42
  6. Step 6: Final answer
    x = 15,223.38

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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.