Home / 13,999.46-20,988.76-6,100.48

Finding the Fourth Proportional to 13,999.46, 20,988.76 and 6,100.48

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Solution

The fourth proportional to 13,999.46, 20,988.76 and 6,100.48 is: 9,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.46 : 20,988.76 = 6,100.48 : x
  2. Step 2: Convert to fraction form
    13,999.46/20,988.76 = 6,100.48/x
  3. Step 3: Cross multiply
    13,999.46x = 20,988.76 × 6,100.48
  4. Step 4: Simplify right side
    13,999.46x = 128,041,510.60
  5. Step 5: Solve for x
    x = 128,041,510.60/13,999.46
  6. Step 6: Final answer
    x = 9,146.17

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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.