Home / 10,862.18-14,989.88-6,146.36

Finding the Fourth Proportional to 10,862.18, 14,989.88 and 6,146.36

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Solution

The fourth proportional to 10,862.18, 14,989.88 and 6,146.36 is: 8,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.18 : 14,989.88 = 6,146.36 : x
  2. Step 2: Convert to fraction form
    10,862.18/14,989.88 = 6,146.36/x
  3. Step 3: Cross multiply
    10,862.18x = 14,989.88 × 6,146.36
  4. Step 4: Simplify right side
    10,862.18x = 92,133,139.25
  5. Step 5: Solve for x
    x = 92,133,139.25/10,862.18
  6. Step 6: Final answer
    x = 8,482.02

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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.