Home / 17,838.63-26,708.74-13,442.76

Finding the Fourth Proportional to 17,838.63, 26,708.74 and 13,442.76

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Solution

The fourth proportional to 17,838.63, 26,708.74 and 13,442.76 is: 20,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.63 : 26,708.74 = 13,442.76 : x
  2. Step 2: Convert to fraction form
    17,838.63/26,708.74 = 13,442.76/x
  3. Step 3: Cross multiply
    17,838.63x = 26,708.74 × 13,442.76
  4. Step 4: Simplify right side
    17,838.63x = 359,039,148.12
  5. Step 5: Solve for x
    x = 359,039,148.12/17,838.63
  6. Step 6: Final answer
    x = 20,127.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.