Home / 11,406.61-15,740.10-6,370.13

Finding the Fourth Proportional to 11,406.61, 15,740.10 and 6,370.13

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Solution

The fourth proportional to 11,406.61, 15,740.10 and 6,370.13 is: 8,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.61 : 15,740.10 = 6,370.13 : x
  2. Step 2: Convert to fraction form
    11,406.61/15,740.10 = 6,370.13/x
  3. Step 3: Cross multiply
    11,406.61x = 15,740.10 × 6,370.13
  4. Step 4: Simplify right side
    11,406.61x = 100,266,482.51
  5. Step 5: Solve for x
    x = 100,266,482.51/11,406.61
  6. Step 6: Final answer
    x = 8,790.21

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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.