Home / 11,298.87-15,590.80-6,263.09

Finding the Fourth Proportional to 11,298.87, 15,590.80 and 6,263.09

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Solution

The fourth proportional to 11,298.87, 15,590.80 and 6,263.09 is: 8,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.87 : 15,590.80 = 6,263.09 : x
  2. Step 2: Convert to fraction form
    11,298.87/15,590.80 = 6,263.09/x
  3. Step 3: Cross multiply
    11,298.87x = 15,590.80 × 6,263.09
  4. Step 4: Simplify right side
    11,298.87x = 97,646,519.26
  5. Step 5: Solve for x
    x = 97,646,519.26/11,298.87
  6. Step 6: Final answer
    x = 8,642.15

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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.