Home / 13,907.28-20,862.19-4,547.34

Finding the Fourth Proportional to 13,907.28, 20,862.19 and 4,547.34

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Solution

The fourth proportional to 13,907.28, 20,862.19 and 4,547.34 is: 6,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.28 : 20,862.19 = 4,547.34 : x
  2. Step 2: Convert to fraction form
    13,907.28/20,862.19 = 4,547.34/x
  3. Step 3: Cross multiply
    13,907.28x = 20,862.19 × 4,547.34
  4. Step 4: Simplify right side
    13,907.28x = 94,867,471.07
  5. Step 5: Solve for x
    x = 94,867,471.07/13,907.28
  6. Step 6: Final answer
    x = 6,821.43

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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.