Home / 14,280.03-21,397.86-6,381.27

Finding the Fourth Proportional to 14,280.03, 21,397.86 and 6,381.27

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Solution

The fourth proportional to 14,280.03, 21,397.86 and 6,381.27 is: 9,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.03 : 21,397.86 = 6,381.27 : x
  2. Step 2: Convert to fraction form
    14,280.03/21,397.86 = 6,381.27/x
  3. Step 3: Cross multiply
    14,280.03x = 21,397.86 × 6,381.27
  4. Step 4: Simplify right side
    14,280.03x = 136,545,522.08
  5. Step 5: Solve for x
    x = 136,545,522.08/14,280.03
  6. Step 6: Final answer
    x = 9,561.99

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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.