Home / 9,346.18-12,895.50-5,312.14

Finding the Fourth Proportional to 9,346.18, 12,895.50 and 5,312.14

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Solution

The fourth proportional to 9,346.18, 12,895.50 and 5,312.14 is: 7,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.18 : 12,895.50 = 5,312.14 : x
  2. Step 2: Convert to fraction form
    9,346.18/12,895.50 = 5,312.14/x
  3. Step 3: Cross multiply
    9,346.18x = 12,895.50 × 5,312.14
  4. Step 4: Simplify right side
    9,346.18x = 68,502,701.37
  5. Step 5: Solve for x
    x = 68,502,701.37/9,346.18
  6. Step 6: Final answer
    x = 7,329.49

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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.