Home / 19,148.40-26,356.32-13,549.68

Finding the Fourth Proportional to 19,148.40, 26,356.32 and 13,549.68

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Solution

The fourth proportional to 19,148.40, 26,356.32 and 13,549.68 is: 18,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.40 : 26,356.32 = 13,549.68 : x
  2. Step 2: Convert to fraction form
    19,148.40/26,356.32 = 13,549.68/x
  3. Step 3: Cross multiply
    19,148.40x = 26,356.32 × 13,549.68
  4. Step 4: Simplify right side
    19,148.40x = 357,119,701.98
  5. Step 5: Solve for x
    x = 357,119,701.98/19,148.40
  6. Step 6: Final answer
    x = 18,650.11

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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.