Home / 10,368.95-15,554.24-5,106.79

Finding the Fourth Proportional to 10,368.95, 15,554.24 and 5,106.79

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Solution

The fourth proportional to 10,368.95, 15,554.24 and 5,106.79 is: 7,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.95 : 15,554.24 = 5,106.79 : x
  2. Step 2: Convert to fraction form
    10,368.95/15,554.24 = 5,106.79/x
  3. Step 3: Cross multiply
    10,368.95x = 15,554.24 × 5,106.79
  4. Step 4: Simplify right side
    10,368.95x = 79,432,237.29
  5. Step 5: Solve for x
    x = 79,432,237.29/10,368.95
  6. Step 6: Final answer
    x = 7,660.59

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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.