Home / 9,039.76-13,562.88-6,570.40

Finding the Fourth Proportional to 9,039.76, 13,562.88 and 6,570.40

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Solution

The fourth proportional to 9,039.76, 13,562.88 and 6,570.40 is: 9,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.76 : 13,562.88 = 6,570.40 : x
  2. Step 2: Convert to fraction form
    9,039.76/13,562.88 = 6,570.40/x
  3. Step 3: Cross multiply
    9,039.76x = 13,562.88 × 6,570.40
  4. Step 4: Simplify right side
    9,039.76x = 89,113,546.75
  5. Step 5: Solve for x
    x = 89,113,546.75/9,039.76
  6. Step 6: Final answer
    x = 9,857.95

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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.