Home / 14,102.16-21,153.40-5,780.04

Finding the Fourth Proportional to 14,102.16, 21,153.40 and 5,780.04

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Solution

The fourth proportional to 14,102.16, 21,153.40 and 5,780.04 is: 8,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.16 : 21,153.40 = 5,780.04 : x
  2. Step 2: Convert to fraction form
    14,102.16/21,153.40 = 5,780.04/x
  3. Step 3: Cross multiply
    14,102.16x = 21,153.40 × 5,780.04
  4. Step 4: Simplify right side
    14,102.16x = 122,267,498.14
  5. Step 5: Solve for x
    x = 122,267,498.14/14,102.16
  6. Step 6: Final answer
    x = 8,670.13

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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.