Home / 14,310.95-19,750.23-7,938.14

Finding the Fourth Proportional to 14,310.95, 19,750.23 and 7,938.14

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Solution

The fourth proportional to 14,310.95, 19,750.23 and 7,938.14 is: 10,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.95 : 19,750.23 = 7,938.14 : x
  2. Step 2: Convert to fraction form
    14,310.95/19,750.23 = 7,938.14/x
  3. Step 3: Cross multiply
    14,310.95x = 19,750.23 × 7,938.14
  4. Step 4: Simplify right side
    14,310.95x = 156,779,992.02
  5. Step 5: Solve for x
    x = 156,779,992.02/14,310.95
  6. Step 6: Final answer
    x = 10,955.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.