Home / 10,173.16-14,040.39-7,349.67

Finding the Fourth Proportional to 10,173.16, 14,040.39 and 7,349.67

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Solution

The fourth proportional to 10,173.16, 14,040.39 and 7,349.67 is: 10,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.16 : 14,040.39 = 7,349.67 : x
  2. Step 2: Convert to fraction form
    10,173.16/14,040.39 = 7,349.67/x
  3. Step 3: Cross multiply
    10,173.16x = 14,040.39 × 7,349.67
  4. Step 4: Simplify right side
    10,173.16x = 103,192,196.42
  5. Step 5: Solve for x
    x = 103,192,196.42/10,173.16
  6. Step 6: Final answer
    x = 10,143.57

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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.