Home / 15,039.04-20,754.29-8,667.18

Finding the Fourth Proportional to 15,039.04, 20,754.29 and 8,667.18

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Solution

The fourth proportional to 15,039.04, 20,754.29 and 8,667.18 is: 11,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.04 : 20,754.29 = 8,667.18 : x
  2. Step 2: Convert to fraction form
    15,039.04/20,754.29 = 8,667.18/x
  3. Step 3: Cross multiply
    15,039.04x = 20,754.29 × 8,667.18
  4. Step 4: Simplify right side
    15,039.04x = 179,881,225.27
  5. Step 5: Solve for x
    x = 179,881,225.27/15,039.04
  6. Step 6: Final answer
    x = 11,960.95

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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.