Home / 11,657.08-16,088.52-7,411.60

Finding the Fourth Proportional to 11,657.08, 16,088.52 and 7,411.60

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Solution

The fourth proportional to 11,657.08, 16,088.52 and 7,411.60 is: 10,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.08 : 16,088.52 = 7,411.60 : x
  2. Step 2: Convert to fraction form
    11,657.08/16,088.52 = 7,411.60/x
  3. Step 3: Cross multiply
    11,657.08x = 16,088.52 × 7,411.60
  4. Step 4: Simplify right side
    11,657.08x = 119,241,674.83
  5. Step 5: Solve for x
    x = 119,241,674.83/11,657.08
  6. Step 6: Final answer
    x = 10,229.12

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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.