Home / 19,937.91-27,513.33-10,985.18

Finding the Fourth Proportional to 19,937.91, 27,513.33 and 10,985.18

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Solution

The fourth proportional to 19,937.91, 27,513.33 and 10,985.18 is: 15,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.91 : 27,513.33 = 10,985.18 : x
  2. Step 2: Convert to fraction form
    19,937.91/27,513.33 = 10,985.18/x
  3. Step 3: Cross multiply
    19,937.91x = 27,513.33 × 10,985.18
  4. Step 4: Simplify right side
    19,937.91x = 302,238,882.45
  5. Step 5: Solve for x
    x = 302,238,882.45/19,937.91
  6. Step 6: Final answer
    x = 15,159.01

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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.