Home / 10,948.23-16,408.98-4,278.51

Finding the Fourth Proportional to 10,948.23, 16,408.98 and 4,278.51

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Solution

The fourth proportional to 10,948.23, 16,408.98 and 4,278.51 is: 6,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.23 : 16,408.98 = 4,278.51 : x
  2. Step 2: Convert to fraction form
    10,948.23/16,408.98 = 4,278.51/x
  3. Step 3: Cross multiply
    10,948.23x = 16,408.98 × 4,278.51
  4. Step 4: Simplify right side
    10,948.23x = 70,205,985.02
  5. Step 5: Solve for x
    x = 70,205,985.02/10,948.23
  6. Step 6: Final answer
    x = 6,412.54

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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.