Home / 10,622.18-14,660.45-6,148.40

Finding the Fourth Proportional to 10,622.18, 14,660.45 and 6,148.40

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Solution

The fourth proportional to 10,622.18, 14,660.45 and 6,148.40 is: 8,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.18 : 14,660.45 = 6,148.40 : x
  2. Step 2: Convert to fraction form
    10,622.18/14,660.45 = 6,148.40/x
  3. Step 3: Cross multiply
    10,622.18x = 14,660.45 × 6,148.40
  4. Step 4: Simplify right side
    10,622.18x = 90,138,206.74
  5. Step 5: Solve for x
    x = 90,138,206.74/10,622.18
  6. Step 6: Final answer
    x = 8,485.85

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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.