Home / 11,376.95-15,698.29-6,340.07

Finding the Fourth Proportional to 11,376.95, 15,698.29 and 6,340.07

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Solution

The fourth proportional to 11,376.95, 15,698.29 and 6,340.07 is: 8,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.95 : 15,698.29 = 6,340.07 : x
  2. Step 2: Convert to fraction form
    11,376.95/15,698.29 = 6,340.07/x
  3. Step 3: Cross multiply
    11,376.95x = 15,698.29 × 6,340.07
  4. Step 4: Simplify right side
    11,376.95x = 99,528,147.29
  5. Step 5: Solve for x
    x = 99,528,147.29/11,376.95
  6. Step 6: Final answer
    x = 8,748.23

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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.