Home / 9,353.23-12,909.67-5,376.65

Finding the Fourth Proportional to 9,353.23, 12,909.67 and 5,376.65

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Solution

The fourth proportional to 9,353.23, 12,909.67 and 5,376.65 is: 7,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.23 : 12,909.67 = 5,376.65 : x
  2. Step 2: Convert to fraction form
    9,353.23/12,909.67 = 5,376.65/x
  3. Step 3: Cross multiply
    9,353.23x = 12,909.67 × 5,376.65
  4. Step 4: Simplify right side
    9,353.23x = 69,410,763.76
  5. Step 5: Solve for x
    x = 69,410,763.76/9,353.23
  6. Step 6: Final answer
    x = 7,421.05

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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.