Home / 14,008.74-20,955.69-12,777.18

Finding the Fourth Proportional to 14,008.74, 20,955.69 and 12,777.18

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Solution

The fourth proportional to 14,008.74, 20,955.69 and 12,777.18 is: 19,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.74 : 20,955.69 = 12,777.18 : x
  2. Step 2: Convert to fraction form
    14,008.74/20,955.69 = 12,777.18/x
  3. Step 3: Cross multiply
    14,008.74x = 20,955.69 × 12,777.18
  4. Step 4: Simplify right side
    14,008.74x = 267,754,623.15
  5. Step 5: Solve for x
    x = 267,754,623.15/14,008.74
  6. Step 6: Final answer
    x = 19,113.40

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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.