Home / 11,312.19-15,612.35-6,599.61

Finding the Fourth Proportional to 11,312.19, 15,612.35 and 6,599.61

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Solution

The fourth proportional to 11,312.19, 15,612.35 and 6,599.61 is: 9,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.19 : 15,612.35 = 6,599.61 : x
  2. Step 2: Convert to fraction form
    11,312.19/15,612.35 = 6,599.61/x
  3. Step 3: Cross multiply
    11,312.19x = 15,612.35 × 6,599.61
  4. Step 4: Simplify right side
    11,312.19x = 103,035,388.19
  5. Step 5: Solve for x
    x = 103,035,388.19/11,312.19
  6. Step 6: Final answer
    x = 9,108.35

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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.