Home / 15,561.78-23,342.63-3,875.01

Finding the Fourth Proportional to 15,561.78, 23,342.63 and 3,875.01

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Solution

The fourth proportional to 15,561.78, 23,342.63 and 3,875.01 is: 5,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.78 : 23,342.63 = 3,875.01 : x
  2. Step 2: Convert to fraction form
    15,561.78/23,342.63 = 3,875.01/x
  3. Step 3: Cross multiply
    15,561.78x = 23,342.63 × 3,875.01
  4. Step 4: Simplify right side
    15,561.78x = 90,452,905.30
  5. Step 5: Solve for x
    x = 90,452,905.30/15,561.78
  6. Step 6: Final answer
    x = 5,812.50

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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.