Home / 19,973.74-29,938.74-10,099.45

Finding the Fourth Proportional to 19,973.74, 29,938.74 and 10,099.45

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Solution

The fourth proportional to 19,973.74, 29,938.74 and 10,099.45 is: 15,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.74 : 29,938.74 = 10,099.45 : x
  2. Step 2: Convert to fraction form
    19,973.74/29,938.74 = 10,099.45/x
  3. Step 3: Cross multiply
    19,973.74x = 29,938.74 × 10,099.45
  4. Step 4: Simplify right side
    19,973.74x = 302,364,807.69
  5. Step 5: Solve for x
    x = 302,364,807.69/19,973.74
  6. Step 6: Final answer
    x = 15,138.12

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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.