Home / 10,343.86-14,287.35-7,506.67

Finding the Fourth Proportional to 10,343.86, 14,287.35 and 7,506.67

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Solution

The fourth proportional to 10,343.86, 14,287.35 and 7,506.67 is: 10,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.86 : 14,287.35 = 7,506.67 : x
  2. Step 2: Convert to fraction form
    10,343.86/14,287.35 = 7,506.67/x
  3. Step 3: Cross multiply
    10,343.86x = 14,287.35 × 7,506.67
  4. Step 4: Simplify right side
    10,343.86x = 107,250,421.62
  5. Step 5: Solve for x
    x = 107,250,421.62/10,343.86
  6. Step 6: Final answer
    x = 10,368.51

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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.