Home / 19,019.08-28,526.46-5,169.16

Finding the Fourth Proportional to 19,019.08, 28,526.46 and 5,169.16

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Solution

The fourth proportional to 19,019.08, 28,526.46 and 5,169.16 is: 7,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.08 : 28,526.46 = 5,169.16 : x
  2. Step 2: Convert to fraction form
    19,019.08/28,526.46 = 5,169.16/x
  3. Step 3: Cross multiply
    19,019.08x = 28,526.46 × 5,169.16
  4. Step 4: Simplify right side
    19,019.08x = 147,457,835.97
  5. Step 5: Solve for x
    x = 147,457,835.97/19,019.08
  6. Step 6: Final answer
    x = 7,753.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.