Home / 13,284.56-18,332.40-7,316.34

Finding the Fourth Proportional to 13,284.56, 18,332.40 and 7,316.34

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Solution

The fourth proportional to 13,284.56, 18,332.40 and 7,316.34 is: 10,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.56 : 18,332.40 = 7,316.34 : x
  2. Step 2: Convert to fraction form
    13,284.56/18,332.40 = 7,316.34/x
  3. Step 3: Cross multiply
    13,284.56x = 18,332.40 × 7,316.34
  4. Step 4: Simplify right side
    13,284.56x = 134,126,071.42
  5. Step 5: Solve for x
    x = 134,126,071.42/13,284.56
  6. Step 6: Final answer
    x = 10,096.39

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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.