Home / 15,045.04-22,571.52-5,685.20

Finding the Fourth Proportional to 15,045.04, 22,571.52 and 5,685.20

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Solution

The fourth proportional to 15,045.04, 22,571.52 and 5,685.20 is: 8,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.04 : 22,571.52 = 5,685.20 : x
  2. Step 2: Convert to fraction form
    15,045.04/22,571.52 = 5,685.20/x
  3. Step 3: Cross multiply
    15,045.04x = 22,571.52 × 5,685.20
  4. Step 4: Simplify right side
    15,045.04x = 128,323,605.50
  5. Step 5: Solve for x
    x = 128,323,605.50/15,045.04
  6. Step 6: Final answer
    x = 8,529.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.