Home / 19,652.47-27,120.59-11,267.35

Finding the Fourth Proportional to 19,652.47, 27,120.59 and 11,267.35

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Solution

The fourth proportional to 19,652.47, 27,120.59 and 11,267.35 is: 15,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.47 : 27,120.59 = 11,267.35 : x
  2. Step 2: Convert to fraction form
    19,652.47/27,120.59 = 11,267.35/x
  3. Step 3: Cross multiply
    19,652.47x = 27,120.59 × 11,267.35
  4. Step 4: Simplify right side
    19,652.47x = 305,577,140.10
  5. Step 5: Solve for x
    x = 305,577,140.10/19,652.47
  6. Step 6: Final answer
    x = 15,549.05

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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.