Home / 15,721.04-23,576.55-5,189.10

Finding the Fourth Proportional to 15,721.04, 23,576.55 and 5,189.10

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Solution

The fourth proportional to 15,721.04, 23,576.55 and 5,189.10 is: 7,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.04 : 23,576.55 = 5,189.10 : x
  2. Step 2: Convert to fraction form
    15,721.04/23,576.55 = 5,189.10/x
  3. Step 3: Cross multiply
    15,721.04x = 23,576.55 × 5,189.10
  4. Step 4: Simplify right side
    15,721.04x = 122,341,075.61
  5. Step 5: Solve for x
    x = 122,341,075.61/15,721.04
  6. Step 6: Final answer
    x = 7,782.00

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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.