Home / 15,415.94-23,123.10-4,323.40

Finding the Fourth Proportional to 15,415.94, 23,123.10 and 4,323.40

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Solution

The fourth proportional to 15,415.94, 23,123.10 and 4,323.40 is: 6,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.94 : 23,123.10 = 4,323.40 : x
  2. Step 2: Convert to fraction form
    15,415.94/23,123.10 = 4,323.40/x
  3. Step 3: Cross multiply
    15,415.94x = 23,123.10 × 4,323.40
  4. Step 4: Simplify right side
    15,415.94x = 99,970,368.94
  5. Step 5: Solve for x
    x = 99,970,368.94/15,415.94
  6. Step 6: Final answer
    x = 6,484.87

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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.