Home / 12,459.29-17,193.81-6,870.29

Finding the Fourth Proportional to 12,459.29, 17,193.81 and 6,870.29

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Solution

The fourth proportional to 12,459.29, 17,193.81 and 6,870.29 is: 9,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.29 : 17,193.81 = 6,870.29 : x
  2. Step 2: Convert to fraction form
    12,459.29/17,193.81 = 6,870.29/x
  3. Step 3: Cross multiply
    12,459.29x = 17,193.81 × 6,870.29
  4. Step 4: Simplify right side
    12,459.29x = 118,126,374.94
  5. Step 5: Solve for x
    x = 118,126,374.94/12,459.29
  6. Step 6: Final answer
    x = 9,480.99

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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.