Home / 9,930.30-13,703.90-5,454.11

Finding the Fourth Proportional to 9,930.30, 13,703.90 and 5,454.11

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Solution

The fourth proportional to 9,930.30, 13,703.90 and 5,454.11 is: 7,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.30 : 13,703.90 = 5,454.11 : x
  2. Step 2: Convert to fraction form
    9,930.30/13,703.90 = 5,454.11/x
  3. Step 3: Cross multiply
    9,930.30x = 13,703.90 × 5,454.11
  4. Step 4: Simplify right side
    9,930.30x = 74,742,482.24
  5. Step 5: Solve for x
    x = 74,742,482.24/9,930.30
  6. Step 6: Final answer
    x = 7,526.71

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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.