Home / 12,535.29-17,299.12-6,870.05

Finding the Fourth Proportional to 12,535.29, 17,299.12 and 6,870.05

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Solution

The fourth proportional to 12,535.29, 17,299.12 and 6,870.05 is: 9,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.29 : 17,299.12 = 6,870.05 : x
  2. Step 2: Convert to fraction form
    12,535.29/17,299.12 = 6,870.05/x
  3. Step 3: Cross multiply
    12,535.29x = 17,299.12 × 6,870.05
  4. Step 4: Simplify right side
    12,535.29x = 118,845,819.36
  5. Step 5: Solve for x
    x = 118,845,819.36/12,535.29
  6. Step 6: Final answer
    x = 9,480.90

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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.