Home / 19,950.95-29,916.63-11,401.40

Finding the Fourth Proportional to 19,950.95, 29,916.63 and 11,401.40

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Solution

The fourth proportional to 19,950.95, 29,916.63 and 11,401.40 is: 17,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.95 : 29,916.63 = 11,401.40 : x
  2. Step 2: Convert to fraction form
    19,950.95/29,916.63 = 11,401.40/x
  3. Step 3: Cross multiply
    19,950.95x = 29,916.63 × 11,401.40
  4. Step 4: Simplify right side
    19,950.95x = 341,091,315.70
  5. Step 5: Solve for x
    x = 341,091,315.70/19,950.95
  6. Step 6: Final answer
    x = 17,096.50

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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.