Home / 15,913.59-23,870.30-3,905.59

Finding the Fourth Proportional to 15,913.59, 23,870.30 and 3,905.59

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Solution

The fourth proportional to 15,913.59, 23,870.30 and 3,905.59 is: 5,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.59 : 23,870.30 = 3,905.59 : x
  2. Step 2: Convert to fraction form
    15,913.59/23,870.30 = 3,905.59/x
  3. Step 3: Cross multiply
    15,913.59x = 23,870.30 × 3,905.59
  4. Step 4: Simplify right side
    15,913.59x = 93,227,637.67
  5. Step 5: Solve for x
    x = 93,227,637.67/15,913.59
  6. Step 6: Final answer
    x = 5,858.37

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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.