Home / 15,539.65-21,444.14-8,465.92

Finding the Fourth Proportional to 15,539.65, 21,444.14 and 8,465.92

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Solution

The fourth proportional to 15,539.65, 21,444.14 and 8,465.92 is: 11,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.65 : 21,444.14 = 8,465.92 : x
  2. Step 2: Convert to fraction form
    15,539.65/21,444.14 = 8,465.92/x
  3. Step 3: Cross multiply
    15,539.65x = 21,444.14 × 8,465.92
  4. Step 4: Simplify right side
    15,539.65x = 181,544,341.26
  5. Step 5: Solve for x
    x = 181,544,341.26/15,539.65
  6. Step 6: Final answer
    x = 11,682.66

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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.