Home / 21,408.95-32,124.92-8,937.51

Finding the Fourth Proportional to 21,408.95, 32,124.92 and 8,937.51

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Solution

The fourth proportional to 21,408.95, 32,124.92 and 8,937.51 is: 13,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408.95 : 32,124.92 = 8,937.51 : x
  2. Step 2: Convert to fraction form
    21,408.95/32,124.92 = 8,937.51/x
  3. Step 3: Cross multiply
    21,408.95x = 32,124.92 × 8,937.51
  4. Step 4: Simplify right side
    21,408.95x = 287,116,749.06
  5. Step 5: Solve for x
    x = 287,116,749.06/21,408.95
  6. Step 6: Final answer
    x = 13,411.06

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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.