Home / 15,988.77-22,063.05-9,274.68

Finding the Fourth Proportional to 15,988.77, 22,063.05 and 9,274.68

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Solution

The fourth proportional to 15,988.77, 22,063.05 and 9,274.68 is: 12,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.77 : 22,063.05 = 9,274.68 : x
  2. Step 2: Convert to fraction form
    15,988.77/22,063.05 = 9,274.68/x
  3. Step 3: Cross multiply
    15,988.77x = 22,063.05 × 9,274.68
  4. Step 4: Simplify right side
    15,988.77x = 204,627,728.57
  5. Step 5: Solve for x
    x = 204,627,728.57/15,988.77
  6. Step 6: Final answer
    x = 12,798.22

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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.