Home / 15,618.32-23,437.29-8,228.08

Finding the Fourth Proportional to 15,618.32, 23,437.29 and 8,228.08

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Solution

The fourth proportional to 15,618.32, 23,437.29 and 8,228.08 is: 12,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.32 : 23,437.29 = 8,228.08 : x
  2. Step 2: Convert to fraction form
    15,618.32/23,437.29 = 8,228.08/x
  3. Step 3: Cross multiply
    15,618.32x = 23,437.29 × 8,228.08
  4. Step 4: Simplify right side
    15,618.32x = 192,843,779.92
  5. Step 5: Solve for x
    x = 192,843,779.92/15,618.32
  6. Step 6: Final answer
    x = 12,347.28

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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.