Home / 19,431.02-29,155.76-10,069.29

Finding the Fourth Proportional to 19,431.02, 29,155.76 and 10,069.29

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Solution

The fourth proportional to 19,431.02, 29,155.76 and 10,069.29 is: 15,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.02 : 29,155.76 = 10,069.29 : x
  2. Step 2: Convert to fraction form
    19,431.02/29,155.76 = 10,069.29/x
  3. Step 3: Cross multiply
    19,431.02x = 29,155.76 × 10,069.29
  4. Step 4: Simplify right side
    19,431.02x = 293,577,752.26
  5. Step 5: Solve for x
    x = 293,577,752.26/19,431.02
  6. Step 6: Final answer
    x = 15,108.72

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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.