Home / 11,026.04-15,210.90-7,677.08

Finding the Fourth Proportional to 11,026.04, 15,210.90 and 7,677.08

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Solution

The fourth proportional to 11,026.04, 15,210.90 and 7,677.08 is: 10,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.04 : 15,210.90 = 7,677.08 : x
  2. Step 2: Convert to fraction form
    11,026.04/15,210.90 = 7,677.08/x
  3. Step 3: Cross multiply
    11,026.04x = 15,210.90 × 7,677.08
  4. Step 4: Simplify right side
    11,026.04x = 116,775,296.17
  5. Step 5: Solve for x
    x = 116,775,296.17/11,026.04
  6. Step 6: Final answer
    x = 10,590.86

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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.