Home / 13,937.04-20,903.04-5,616.72

Finding the Fourth Proportional to 13,937.04, 20,903.04 and 5,616.72

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Solution

The fourth proportional to 13,937.04, 20,903.04 and 5,616.72 is: 8,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.04 : 20,903.04 = 5,616.72 : x
  2. Step 2: Convert to fraction form
    13,937.04/20,903.04 = 5,616.72/x
  3. Step 3: Cross multiply
    13,937.04x = 20,903.04 × 5,616.72
  4. Step 4: Simplify right side
    13,937.04x = 117,406,522.83
  5. Step 5: Solve for x
    x = 117,406,522.83/13,937.04
  6. Step 6: Final answer
    x = 8,424.06

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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.