Home / 18,931.39-26,124.26-11,376.32

Finding the Fourth Proportional to 18,931.39, 26,124.26 and 11,376.32

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Solution

The fourth proportional to 18,931.39, 26,124.26 and 11,376.32 is: 15,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.39 : 26,124.26 = 11,376.32 : x
  2. Step 2: Convert to fraction form
    18,931.39/26,124.26 = 11,376.32/x
  3. Step 3: Cross multiply
    18,931.39x = 26,124.26 × 11,376.32
  4. Step 4: Simplify right side
    18,931.39x = 297,197,839.34
  5. Step 5: Solve for x
    x = 297,197,839.34/18,931.39
  6. Step 6: Final answer
    x = 15,698.68

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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.