Home / 21,587.69-32,362.32-8,437.07

Finding the Fourth Proportional to 21,587.69, 32,362.32 and 8,437.07

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Solution

The fourth proportional to 21,587.69, 32,362.32 and 8,437.07 is: 12,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.69 : 32,362.32 = 8,437.07 : x
  2. Step 2: Convert to fraction form
    21,587.69/32,362.32 = 8,437.07/x
  3. Step 3: Cross multiply
    21,587.69x = 32,362.32 × 8,437.07
  4. Step 4: Simplify right side
    21,587.69x = 273,043,159.20
  5. Step 5: Solve for x
    x = 273,043,159.20/21,587.69
  6. Step 6: Final answer
    x = 12,648.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.