Home / 15,988.77-22,058.70-9,270.69

Finding the Fourth Proportional to 15,988.77, 22,058.70 and 9,270.69

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Solution

The fourth proportional to 15,988.77, 22,058.70 and 9,270.69 is: 12,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.77 : 22,058.70 = 9,270.69 : x
  2. Step 2: Convert to fraction form
    15,988.77/22,058.70 = 9,270.69/x
  3. Step 3: Cross multiply
    15,988.77x = 22,058.70 × 9,270.69
  4. Step 4: Simplify right side
    15,988.77x = 204,499,369.50
  5. Step 5: Solve for x
    x = 204,499,369.50/15,988.77
  6. Step 6: Final answer
    x = 12,790.19

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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.