Home / 9,619.28-13,280.13-7,332.67

Finding the Fourth Proportional to 9,619.28, 13,280.13 and 7,332.67

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Solution

The fourth proportional to 9,619.28, 13,280.13 and 7,332.67 is: 10,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.28 : 13,280.13 = 7,332.67 : x
  2. Step 2: Convert to fraction form
    9,619.28/13,280.13 = 7,332.67/x
  3. Step 3: Cross multiply
    9,619.28x = 13,280.13 × 7,332.67
  4. Step 4: Simplify right side
    9,619.28x = 97,378,769.47
  5. Step 5: Solve for x
    x = 97,378,769.47/9,619.28
  6. Step 6: Final answer
    x = 10,123.29

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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.