Home / 15,210.81-22,783.87-7,301.67

Finding the Fourth Proportional to 15,210.81, 22,783.87 and 7,301.67

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Solution

The fourth proportional to 15,210.81, 22,783.87 and 7,301.67 is: 10,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.81 : 22,783.87 = 7,301.67 : x
  2. Step 2: Convert to fraction form
    15,210.81/22,783.87 = 7,301.67/x
  3. Step 3: Cross multiply
    15,210.81x = 22,783.87 × 7,301.67
  4. Step 4: Simplify right side
    15,210.81x = 166,360,309.19
  5. Step 5: Solve for x
    x = 166,360,309.19/15,210.81
  6. Step 6: Final answer
    x = 10,936.98

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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.