Home / 9,117.58-13,652.63-8,563.46

Finding the Fourth Proportional to 9,117.58, 13,652.63 and 8,563.46

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Solution

The fourth proportional to 9,117.58, 13,652.63 and 8,563.46 is: 12,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.58 : 13,652.63 = 8,563.46 : x
  2. Step 2: Convert to fraction form
    9,117.58/13,652.63 = 8,563.46/x
  3. Step 3: Cross multiply
    9,117.58x = 13,652.63 × 8,563.46
  4. Step 4: Simplify right side
    9,117.58x = 116,913,708.08
  5. Step 5: Solve for x
    x = 116,913,708.08/9,117.58
  6. Step 6: Final answer
    x = 12,822.90

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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.