Home / 9,123.95-13,688.01-2,883.93

Finding the Fourth Proportional to 9,123.95, 13,688.01 and 2,883.93

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Solution

The fourth proportional to 9,123.95, 13,688.01 and 2,883.93 is: 4,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.95 : 13,688.01 = 2,883.93 : x
  2. Step 2: Convert to fraction form
    9,123.95/13,688.01 = 2,883.93/x
  3. Step 3: Cross multiply
    9,123.95x = 13,688.01 × 2,883.93
  4. Step 4: Simplify right side
    9,123.95x = 39,475,262.68
  5. Step 5: Solve for x
    x = 39,475,262.68/9,123.95
  6. Step 6: Final answer
    x = 4,326.55

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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.