Home / 15,395.04-21,245.04-12,041.28

Finding the Fourth Proportional to 15,395.04, 21,245.04 and 12,041.28

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Solution

The fourth proportional to 15,395.04, 21,245.04 and 12,041.28 is: 16,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.04 : 21,245.04 = 12,041.28 : x
  2. Step 2: Convert to fraction form
    15,395.04/21,245.04 = 12,041.28/x
  3. Step 3: Cross multiply
    15,395.04x = 21,245.04 × 12,041.28
  4. Step 4: Simplify right side
    15,395.04x = 255,817,475.25
  5. Step 5: Solve for x
    x = 255,817,475.25/15,395.04
  6. Step 6: Final answer
    x = 16,616.88

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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.