Home / 15,237.91-21,041.29-9,582.12

Finding the Fourth Proportional to 15,237.91, 21,041.29 and 9,582.12

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Solution

The fourth proportional to 15,237.91, 21,041.29 and 9,582.12 is: 13,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.91 : 21,041.29 = 9,582.12 : x
  2. Step 2: Convert to fraction form
    15,237.91/21,041.29 = 9,582.12/x
  3. Step 3: Cross multiply
    15,237.91x = 21,041.29 × 9,582.12
  4. Step 4: Simplify right side
    15,237.91x = 201,620,089.18
  5. Step 5: Solve for x
    x = 201,620,089.18/15,237.91
  6. Step 6: Final answer
    x = 13,231.48

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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.