Home / 17,438.61-26,157.91-14,348.12

Finding the Fourth Proportional to 17,438.61, 26,157.91 and 14,348.12

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Solution

The fourth proportional to 17,438.61, 26,157.91 and 14,348.12 is: 21,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.61 : 26,157.91 = 14,348.12 : x
  2. Step 2: Convert to fraction form
    17,438.61/26,157.91 = 14,348.12/x
  3. Step 3: Cross multiply
    17,438.61x = 26,157.91 × 14,348.12
  4. Step 4: Simplify right side
    17,438.61x = 375,316,831.63
  5. Step 5: Solve for x
    x = 375,316,831.63/17,438.61
  6. Step 6: Final answer
    x = 21,522.18

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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.