Home / 15,782.81-23,670.13-4,686.98

Finding the Fourth Proportional to 15,782.81, 23,670.13 and 4,686.98

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Solution

The fourth proportional to 15,782.81, 23,670.13 and 4,686.98 is: 7,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.81 : 23,670.13 = 4,686.98 : x
  2. Step 2: Convert to fraction form
    15,782.81/23,670.13 = 4,686.98/x
  3. Step 3: Cross multiply
    15,782.81x = 23,670.13 × 4,686.98
  4. Step 4: Simplify right side
    15,782.81x = 110,941,402.47
  5. Step 5: Solve for x
    x = 110,941,402.47/15,782.81
  6. Step 6: Final answer
    x = 7,029.26

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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.