Home / 21,332.16-31,987.68-6,537.51

Finding the Fourth Proportional to 21,332.16, 31,987.68 and 6,537.51

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Solution

The fourth proportional to 21,332.16, 31,987.68 and 6,537.51 is: 9,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.16 : 31,987.68 = 6,537.51 : x
  2. Step 2: Convert to fraction form
    21,332.16/31,987.68 = 6,537.51/x
  3. Step 3: Cross multiply
    21,332.16x = 31,987.68 × 6,537.51
  4. Step 4: Simplify right side
    21,332.16x = 209,119,777.88
  5. Step 5: Solve for x
    x = 209,119,777.88/21,332.16
  6. Step 6: Final answer
    x = 9,803.03

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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.