Home / 15,030.07-20,728.90-11,262.08

Finding the Fourth Proportional to 15,030.07, 20,728.90 and 11,262.08

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Solution

The fourth proportional to 15,030.07, 20,728.90 and 11,262.08 is: 15,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.07 : 20,728.90 = 11,262.08 : x
  2. Step 2: Convert to fraction form
    15,030.07/20,728.90 = 11,262.08/x
  3. Step 3: Cross multiply
    15,030.07x = 20,728.90 × 11,262.08
  4. Step 4: Simplify right side
    15,030.07x = 233,450,530.11
  5. Step 5: Solve for x
    x = 233,450,530.11/15,030.07
  6. Step 6: Final answer
    x = 15,532.23

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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.