Home / 18,271.34-25,214.30-10,313.50

Finding the Fourth Proportional to 18,271.34, 25,214.30 and 10,313.50

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Solution

The fourth proportional to 18,271.34, 25,214.30 and 10,313.50 is: 14,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.34 : 25,214.30 = 10,313.50 : x
  2. Step 2: Convert to fraction form
    18,271.34/25,214.30 = 10,313.50/x
  3. Step 3: Cross multiply
    18,271.34x = 25,214.30 × 10,313.50
  4. Step 4: Simplify right side
    18,271.34x = 260,047,683.05
  5. Step 5: Solve for x
    x = 260,047,683.05/18,271.34
  6. Step 6: Final answer
    x = 14,232.55

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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.