Home / 15,987.40-23,984.70-9,410.20

Finding the Fourth Proportional to 15,987.40, 23,984.70 and 9,410.20

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Solution

The fourth proportional to 15,987.40, 23,984.70 and 9,410.20 is: 14,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.40 : 23,984.70 = 9,410.20 : x
  2. Step 2: Convert to fraction form
    15,987.40/23,984.70 = 9,410.20/x
  3. Step 3: Cross multiply
    15,987.40x = 23,984.70 × 9,410.20
  4. Step 4: Simplify right side
    15,987.40x = 225,700,823.94
  5. Step 5: Solve for x
    x = 225,700,823.94/15,987.40
  6. Step 6: Final answer
    x = 14,117.42

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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.