Home / 15,017.65-22,512.88-7,115.23

Finding the Fourth Proportional to 15,017.65, 22,512.88 and 7,115.23

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Solution

The fourth proportional to 15,017.65, 22,512.88 and 7,115.23 is: 10,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.65 : 22,512.88 = 7,115.23 : x
  2. Step 2: Convert to fraction form
    15,017.65/22,512.88 = 7,115.23/x
  3. Step 3: Cross multiply
    15,017.65x = 22,512.88 × 7,115.23
  4. Step 4: Simplify right side
    15,017.65x = 160,184,356.20
  5. Step 5: Solve for x
    x = 160,184,356.20/15,017.65
  6. Step 6: Final answer
    x = 10,666.41

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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.