Home / 11,254.79-15,531.55-6,219.01

Finding the Fourth Proportional to 11,254.79, 15,531.55 and 6,219.01

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Solution

The fourth proportional to 11,254.79, 15,531.55 and 6,219.01 is: 8,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.79 : 15,531.55 = 6,219.01 : x
  2. Step 2: Convert to fraction form
    11,254.79/15,531.55 = 6,219.01/x
  3. Step 3: Cross multiply
    11,254.79x = 15,531.55 × 6,219.01
  4. Step 4: Simplify right side
    11,254.79x = 96,590,864.77
  5. Step 5: Solve for x
    x = 96,590,864.77/11,254.79
  6. Step 6: Final answer
    x = 8,582.20

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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.