Home / 11,288.93-15,580.50-6,813.32

Finding the Fourth Proportional to 11,288.93, 15,580.50 and 6,813.32

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Solution

The fourth proportional to 11,288.93, 15,580.50 and 6,813.32 is: 9,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.93 : 15,580.50 = 6,813.32 : x
  2. Step 2: Convert to fraction form
    11,288.93/15,580.50 = 6,813.32/x
  3. Step 3: Cross multiply
    11,288.93x = 15,580.50 × 6,813.32
  4. Step 4: Simplify right side
    11,288.93x = 106,154,854.36
  5. Step 5: Solve for x
    x = 106,154,854.36/11,288.93
  6. Step 6: Final answer
    x = 9,403.45

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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.