Home / 13,652.83-18,842.72-7,685.67

Finding the Fourth Proportional to 13,652.83, 18,842.72 and 7,685.67

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Solution

The fourth proportional to 13,652.83, 18,842.72 and 7,685.67 is: 10,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.83 : 18,842.72 = 7,685.67 : x
  2. Step 2: Convert to fraction form
    13,652.83/18,842.72 = 7,685.67/x
  3. Step 3: Cross multiply
    13,652.83x = 18,842.72 × 7,685.67
  4. Step 4: Simplify right side
    13,652.83x = 144,818,889.39
  5. Step 5: Solve for x
    x = 144,818,889.39/13,652.83
  6. Step 6: Final answer
    x = 10,607.25

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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.