Home / 12,386.28-18,547.69-6,833.46

Finding the Fourth Proportional to 12,386.28, 18,547.69 and 6,833.46

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Solution

The fourth proportional to 12,386.28, 18,547.69 and 6,833.46 is: 10,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.28 : 18,547.69 = 6,833.46 : x
  2. Step 2: Convert to fraction form
    12,386.28/18,547.69 = 6,833.46/x
  3. Step 3: Cross multiply
    12,386.28x = 18,547.69 × 6,833.46
  4. Step 4: Simplify right side
    12,386.28x = 126,744,897.71
  5. Step 5: Solve for x
    x = 126,744,897.71/12,386.28
  6. Step 6: Final answer
    x = 10,232.68

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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.