Home / 10,426.29-15,641.88-3,030.90

Finding the Fourth Proportional to 10,426.29, 15,641.88 and 3,030.90

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Solution

The fourth proportional to 10,426.29, 15,641.88 and 3,030.90 is: 4,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.29 : 15,641.88 = 3,030.90 : x
  2. Step 2: Convert to fraction form
    10,426.29/15,641.88 = 3,030.90/x
  3. Step 3: Cross multiply
    10,426.29x = 15,641.88 × 3,030.90
  4. Step 4: Simplify right side
    10,426.29x = 47,408,974.09
  5. Step 5: Solve for x
    x = 47,408,974.09/10,426.29
  6. Step 6: Final answer
    x = 4,547.06

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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.