Home / 19,328.40-26,671.08-11,373.20

Finding the Fourth Proportional to 19,328.40, 26,671.08 and 11,373.20

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Solution

The fourth proportional to 19,328.40, 26,671.08 and 11,373.20 is: 15,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.40 : 26,671.08 = 11,373.20 : x
  2. Step 2: Convert to fraction form
    19,328.40/26,671.08 = 11,373.20/x
  3. Step 3: Cross multiply
    19,328.40x = 26,671.08 × 11,373.20
  4. Step 4: Simplify right side
    19,328.40x = 303,335,527.06
  5. Step 5: Solve for x
    x = 303,335,527.06/19,328.40
  6. Step 6: Final answer
    x = 15,693.77

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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.