Home / 10,017.86-15,029.67-2,998.40

Finding the Fourth Proportional to 10,017.86, 15,029.67 and 2,998.40

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Solution

The fourth proportional to 10,017.86, 15,029.67 and 2,998.40 is: 4,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.86 : 15,029.67 = 2,998.40 : x
  2. Step 2: Convert to fraction form
    10,017.86/15,029.67 = 2,998.40/x
  3. Step 3: Cross multiply
    10,017.86x = 15,029.67 × 2,998.40
  4. Step 4: Simplify right side
    10,017.86x = 45,064,962.53
  5. Step 5: Solve for x
    x = 45,064,962.53/10,017.86
  6. Step 6: Final answer
    x = 4,498.46

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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.