Home / 15,782.14-23,656.80-6,418.13

Finding the Fourth Proportional to 15,782.14, 23,656.80 and 6,418.13

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Solution

The fourth proportional to 15,782.14, 23,656.80 and 6,418.13 is: 9,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.14 : 23,656.80 = 6,418.13 : x
  2. Step 2: Convert to fraction form
    15,782.14/23,656.80 = 6,418.13/x
  3. Step 3: Cross multiply
    15,782.14x = 23,656.80 × 6,418.13
  4. Step 4: Simplify right side
    15,782.14x = 151,832,417.78
  5. Step 5: Solve for x
    x = 151,832,417.78/15,782.14
  6. Step 6: Final answer
    x = 9,620.52

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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.