Home / 9,107.91-12,580.56-6,970.50

Finding the Fourth Proportional to 9,107.91, 12,580.56 and 6,970.50

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Solution

The fourth proportional to 9,107.91, 12,580.56 and 6,970.50 is: 9,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.91 : 12,580.56 = 6,970.50 : x
  2. Step 2: Convert to fraction form
    9,107.91/12,580.56 = 6,970.50/x
  3. Step 3: Cross multiply
    9,107.91x = 12,580.56 × 6,970.50
  4. Step 4: Simplify right side
    9,107.91x = 87,692,793.48
  5. Step 5: Solve for x
    x = 87,692,793.48/9,107.91
  6. Step 6: Final answer
    x = 9,628.20

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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.