Home / 10,557.54-14,552.66-8,315.87

Finding the Fourth Proportional to 10,557.54, 14,552.66 and 8,315.87

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Solution

The fourth proportional to 10,557.54, 14,552.66 and 8,315.87 is: 11,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.54 : 14,552.66 = 8,315.87 : x
  2. Step 2: Convert to fraction form
    10,557.54/14,552.66 = 8,315.87/x
  3. Step 3: Cross multiply
    10,557.54x = 14,552.66 × 8,315.87
  4. Step 4: Simplify right side
    10,557.54x = 121,017,914.37
  5. Step 5: Solve for x
    x = 121,017,914.37/10,557.54
  6. Step 6: Final answer
    x = 11,462.70

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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.