Home / 9,461.50-14,114.87-8,790.28

Finding the Fourth Proportional to 9,461.50, 14,114.87 and 8,790.28

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Solution

The fourth proportional to 9,461.50, 14,114.87 and 8,790.28 is: 13,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.50 : 14,114.87 = 8,790.28 : x
  2. Step 2: Convert to fraction form
    9,461.50/14,114.87 = 8,790.28/x
  3. Step 3: Cross multiply
    9,461.50x = 14,114.87 × 8,790.28
  4. Step 4: Simplify right side
    9,461.50x = 124,073,659.46
  5. Step 5: Solve for x
    x = 124,073,659.46/9,461.50
  6. Step 6: Final answer
    x = 13,113.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.