Home / 15,069.60-22,587.98-12,871.66

Finding the Fourth Proportional to 15,069.60, 22,587.98 and 12,871.66

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Solution

The fourth proportional to 15,069.60, 22,587.98 and 12,871.66 is: 19,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.60 : 22,587.98 = 12,871.66 : x
  2. Step 2: Convert to fraction form
    15,069.60/22,587.98 = 12,871.66/x
  3. Step 3: Cross multiply
    15,069.60x = 22,587.98 × 12,871.66
  4. Step 4: Simplify right side
    15,069.60x = 290,744,798.65
  5. Step 5: Solve for x
    x = 290,744,798.65/15,069.60
  6. Step 6: Final answer
    x = 19,293.46

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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.