Home / 15,870.80-23,789.88-10,678.16

Finding the Fourth Proportional to 15,870.80, 23,789.88 and 10,678.16

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Solution

The fourth proportional to 15,870.80, 23,789.88 and 10,678.16 is: 16,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.80 : 23,789.88 = 10,678.16 : x
  2. Step 2: Convert to fraction form
    15,870.80/23,789.88 = 10,678.16/x
  3. Step 3: Cross multiply
    15,870.80x = 23,789.88 × 10,678.16
  4. Step 4: Simplify right side
    15,870.80x = 254,032,145.02
  5. Step 5: Solve for x
    x = 254,032,145.02/15,870.80
  6. Step 6: Final answer
    x = 16,006.26

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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.