Home / 15,248.63-21,043.52-8,535.42

Finding the Fourth Proportional to 15,248.63, 21,043.52 and 8,535.42

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Solution

The fourth proportional to 15,248.63, 21,043.52 and 8,535.42 is: 11,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.63 : 21,043.52 = 8,535.42 : x
  2. Step 2: Convert to fraction form
    15,248.63/21,043.52 = 8,535.42/x
  3. Step 3: Cross multiply
    15,248.63x = 21,043.52 × 8,535.42
  4. Step 4: Simplify right side
    15,248.63x = 179,615,281.48
  5. Step 5: Solve for x
    x = 179,615,281.48/15,248.63
  6. Step 6: Final answer
    x = 11,779.11

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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.