Home / 9,077.40-12,528.27-8,484.48

Finding the Fourth Proportional to 9,077.40, 12,528.27 and 8,484.48

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Solution

The fourth proportional to 9,077.40, 12,528.27 and 8,484.48 is: 11,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.40 : 12,528.27 = 8,484.48 : x
  2. Step 2: Convert to fraction form
    9,077.40/12,528.27 = 8,484.48/x
  3. Step 3: Cross multiply
    9,077.40x = 12,528.27 × 8,484.48
  4. Step 4: Simplify right side
    9,077.40x = 106,295,856.25
  5. Step 5: Solve for x
    x = 106,295,856.25/9,077.40
  6. Step 6: Final answer
    x = 11,709.95

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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.