Home / 10,316.42-15,459.51-6,408.98

Finding the Fourth Proportional to 10,316.42, 15,459.51 and 6,408.98

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Solution

The fourth proportional to 10,316.42, 15,459.51 and 6,408.98 is: 9,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.42 : 15,459.51 = 6,408.98 : x
  2. Step 2: Convert to fraction form
    10,316.42/15,459.51 = 6,408.98/x
  3. Step 3: Cross multiply
    10,316.42x = 15,459.51 × 6,408.98
  4. Step 4: Simplify right side
    10,316.42x = 99,079,690.40
  5. Step 5: Solve for x
    x = 99,079,690.40/10,316.42
  6. Step 6: Final answer
    x = 9,604.08

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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.