Home / 15,257.40-21,044.34-14,002.50

Finding the Fourth Proportional to 15,257.40, 21,044.34 and 14,002.50

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Solution

The fourth proportional to 15,257.40, 21,044.34 and 14,002.50 is: 19,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.40 : 21,044.34 = 14,002.50 : x
  2. Step 2: Convert to fraction form
    15,257.40/21,044.34 = 14,002.50/x
  3. Step 3: Cross multiply
    15,257.40x = 21,044.34 × 14,002.50
  4. Step 4: Simplify right side
    15,257.40x = 294,673,370.85
  5. Step 5: Solve for x
    x = 294,673,370.85/15,257.40
  6. Step 6: Final answer
    x = 19,313.47

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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.