Home / 15,744.08-21,726.90-9,030.10

Finding the Fourth Proportional to 15,744.08, 21,726.90 and 9,030.10

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Solution

The fourth proportional to 15,744.08, 21,726.90 and 9,030.10 is: 12,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.08 : 21,726.90 = 9,030.10 : x
  2. Step 2: Convert to fraction form
    15,744.08/21,726.90 = 9,030.10/x
  3. Step 3: Cross multiply
    15,744.08x = 21,726.90 × 9,030.10
  4. Step 4: Simplify right side
    15,744.08x = 196,196,079.69
  5. Step 5: Solve for x
    x = 196,196,079.69/15,744.08
  6. Step 6: Final answer
    x = 12,461.58

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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.