Home / 15,054.41-20,751.84-12,397.20

Finding the Fourth Proportional to 15,054.41, 20,751.84 and 12,397.20

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Solution

The fourth proportional to 15,054.41, 20,751.84 and 12,397.20 is: 17,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.41 : 20,751.84 = 12,397.20 : x
  2. Step 2: Convert to fraction form
    15,054.41/20,751.84 = 12,397.20/x
  3. Step 3: Cross multiply
    15,054.41x = 20,751.84 × 12,397.20
  4. Step 4: Simplify right side
    15,054.41x = 257,264,710.85
  5. Step 5: Solve for x
    x = 257,264,710.85/15,054.41
  6. Step 6: Final answer
    x = 17,089.00

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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.