Home / 13,878.27-19,152.03-7,590.66

Finding the Fourth Proportional to 13,878.27, 19,152.03 and 7,590.66

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Solution

The fourth proportional to 13,878.27, 19,152.03 and 7,590.66 is: 10,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.27 : 19,152.03 = 7,590.66 : x
  2. Step 2: Convert to fraction form
    13,878.27/19,152.03 = 7,590.66/x
  3. Step 3: Cross multiply
    13,878.27x = 19,152.03 × 7,590.66
  4. Step 4: Simplify right side
    13,878.27x = 145,376,548.04
  5. Step 5: Solve for x
    x = 145,376,548.04/13,878.27
  6. Step 6: Final answer
    x = 10,475.12

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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.