Home / 9,987.07-14,980.46-5,776.65

Finding the Fourth Proportional to 9,987.07, 14,980.46 and 5,776.65

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Solution

The fourth proportional to 9,987.07, 14,980.46 and 5,776.65 is: 8,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.07 : 14,980.46 = 5,776.65 : x
  2. Step 2: Convert to fraction form
    9,987.07/14,980.46 = 5,776.65/x
  3. Step 3: Cross multiply
    9,987.07x = 14,980.46 × 5,776.65
  4. Step 4: Simplify right side
    9,987.07x = 86,536,847.46
  5. Step 5: Solve for x
    x = 86,536,847.46/9,987.07
  6. Step 6: Final answer
    x = 8,664.89

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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.