Home / 16,962.21-23,392.80-10,987.65

Finding the Fourth Proportional to 16,962.21, 23,392.80 and 10,987.65

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Solution

The fourth proportional to 16,962.21, 23,392.80 and 10,987.65 is: 15,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.21 : 23,392.80 = 10,987.65 : x
  2. Step 2: Convert to fraction form
    16,962.21/23,392.80 = 10,987.65/x
  3. Step 3: Cross multiply
    16,962.21x = 23,392.80 × 10,987.65
  4. Step 4: Simplify right side
    16,962.21x = 257,031,898.92
  5. Step 5: Solve for x
    x = 257,031,898.92/16,962.21
  6. Step 6: Final answer
    x = 15,153.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.