Home / 9,529.71-13,151.07-5,280.84

Finding the Fourth Proportional to 9,529.71, 13,151.07 and 5,280.84

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Solution

The fourth proportional to 9,529.71, 13,151.07 and 5,280.84 is: 7,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.71 : 13,151.07 = 5,280.84 : x
  2. Step 2: Convert to fraction form
    9,529.71/13,151.07 = 5,280.84/x
  3. Step 3: Cross multiply
    9,529.71x = 13,151.07 × 5,280.84
  4. Step 4: Simplify right side
    9,529.71x = 69,448,680.65
  5. Step 5: Solve for x
    x = 69,448,680.65/9,529.71
  6. Step 6: Final answer
    x = 7,287.60

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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.