Home / 11,528.04-15,886.50-8,379.24

Finding the Fourth Proportional to 11,528.04, 15,886.50 and 8,379.24

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Solution

The fourth proportional to 11,528.04, 15,886.50 and 8,379.24 is: 11,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.04 : 15,886.50 = 8,379.24 : x
  2. Step 2: Convert to fraction form
    11,528.04/15,886.50 = 8,379.24/x
  3. Step 3: Cross multiply
    11,528.04x = 15,886.50 × 8,379.24
  4. Step 4: Simplify right side
    11,528.04x = 133,116,796.26
  5. Step 5: Solve for x
    x = 133,116,796.26/11,528.04
  6. Step 6: Final answer
    x = 11,547.22

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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.