Home / 9,987.54-14,976.53-4,718.15

Finding the Fourth Proportional to 9,987.54, 14,976.53 and 4,718.15

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Solution

The fourth proportional to 9,987.54, 14,976.53 and 4,718.15 is: 7,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.54 : 14,976.53 = 4,718.15 : x
  2. Step 2: Convert to fraction form
    9,987.54/14,976.53 = 4,718.15/x
  3. Step 3: Cross multiply
    9,987.54x = 14,976.53 × 4,718.15
  4. Step 4: Simplify right side
    9,987.54x = 70,661,490.40
  5. Step 5: Solve for x
    x = 70,661,490.40/9,987.54
  6. Step 6: Final answer
    x = 7,074.97

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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.