Home / 15,430.31-23,141.84-4,338.05

Finding the Fourth Proportional to 15,430.31, 23,141.84 and 4,338.05

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Solution

The fourth proportional to 15,430.31, 23,141.84 and 4,338.05 is: 6,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.31 : 23,141.84 = 4,338.05 : x
  2. Step 2: Convert to fraction form
    15,430.31/23,141.84 = 4,338.05/x
  3. Step 3: Cross multiply
    15,430.31x = 23,141.84 × 4,338.05
  4. Step 4: Simplify right side
    15,430.31x = 100,390,459.01
  5. Step 5: Solve for x
    x = 100,390,459.01/15,430.31
  6. Step 6: Final answer
    x = 6,506.06

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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.