Home / 19,022.68-28,534.02-10,312.75

Finding the Fourth Proportional to 19,022.68, 28,534.02 and 10,312.75

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Solution

The fourth proportional to 19,022.68, 28,534.02 and 10,312.75 is: 15,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.68 : 28,534.02 = 10,312.75 : x
  2. Step 2: Convert to fraction form
    19,022.68/28,534.02 = 10,312.75/x
  3. Step 3: Cross multiply
    19,022.68x = 28,534.02 × 10,312.75
  4. Step 4: Simplify right side
    19,022.68x = 294,264,214.76
  5. Step 5: Solve for x
    x = 294,264,214.76/19,022.68
  6. Step 6: Final answer
    x = 15,469.13

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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.