Home / 10,307.84-15,462.77-2,912.35

Finding the Fourth Proportional to 10,307.84, 15,462.77 and 2,912.35

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Solution

The fourth proportional to 10,307.84, 15,462.77 and 2,912.35 is: 4,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.84 : 15,462.77 = 2,912.35 : x
  2. Step 2: Convert to fraction form
    10,307.84/15,462.77 = 2,912.35/x
  3. Step 3: Cross multiply
    10,307.84x = 15,462.77 × 2,912.35
  4. Step 4: Simplify right side
    10,307.84x = 45,033,002.98
  5. Step 5: Solve for x
    x = 45,033,002.98/10,307.84
  6. Step 6: Final answer
    x = 4,368.81

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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.