Home / 15,828.81-23,751.47-11,482.15

Finding the Fourth Proportional to 15,828.81, 23,751.47 and 11,482.15

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Solution

The fourth proportional to 15,828.81, 23,751.47 and 11,482.15 is: 17,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.81 : 23,751.47 = 11,482.15 : x
  2. Step 2: Convert to fraction form
    15,828.81/23,751.47 = 11,482.15/x
  3. Step 3: Cross multiply
    15,828.81x = 23,751.47 × 11,482.15
  4. Step 4: Simplify right side
    15,828.81x = 272,717,941.26
  5. Step 5: Solve for x
    x = 272,717,941.26/15,828.81
  6. Step 6: Final answer
    x = 17,229.21

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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.