Home / 19,418.75-29,065.47-10,045.86

Finding the Fourth Proportional to 19,418.75, 29,065.47 and 10,045.86

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Solution

The fourth proportional to 19,418.75, 29,065.47 and 10,045.86 is: 15,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.75 : 29,065.47 = 10,045.86 : x
  2. Step 2: Convert to fraction form
    19,418.75/29,065.47 = 10,045.86/x
  3. Step 3: Cross multiply
    19,418.75x = 29,065.47 × 10,045.86
  4. Step 4: Simplify right side
    19,418.75x = 291,987,642.45
  5. Step 5: Solve for x
    x = 291,987,642.45/19,418.75
  6. Step 6: Final answer
    x = 15,036.38

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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.