Home / 14,815.51-20,445.62-10,036.92

Finding the Fourth Proportional to 14,815.51, 20,445.62 and 10,036.92

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Solution

The fourth proportional to 14,815.51, 20,445.62 and 10,036.92 is: 13,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.51 : 20,445.62 = 10,036.92 : x
  2. Step 2: Convert to fraction form
    14,815.51/20,445.62 = 10,036.92/x
  3. Step 3: Cross multiply
    14,815.51x = 20,445.62 × 10,036.92
  4. Step 4: Simplify right side
    14,815.51x = 205,211,052.29
  5. Step 5: Solve for x
    x = 205,211,052.29/14,815.51
  6. Step 6: Final answer
    x = 13,851.10

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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.