Home / 9,492.40-13,099.50-5,300.65

Finding the Fourth Proportional to 9,492.40, 13,099.50 and 5,300.65

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Solution

The fourth proportional to 9,492.40, 13,099.50 and 5,300.65 is: 7,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.40 : 13,099.50 = 5,300.65 : x
  2. Step 2: Convert to fraction form
    9,492.40/13,099.50 = 5,300.65/x
  3. Step 3: Cross multiply
    9,492.40x = 13,099.50 × 5,300.65
  4. Step 4: Simplify right side
    9,492.40x = 69,435,864.68
  5. Step 5: Solve for x
    x = 69,435,864.68/9,492.40
  6. Step 6: Final answer
    x = 7,314.89

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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.