Home / 13,526.46-18,666.60-7,558.38

Finding the Fourth Proportional to 13,526.46, 18,666.60 and 7,558.38

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Solution

The fourth proportional to 13,526.46, 18,666.60 and 7,558.38 is: 10,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.46 : 18,666.60 = 7,558.38 : x
  2. Step 2: Convert to fraction form
    13,526.46/18,666.60 = 7,558.38/x
  3. Step 3: Cross multiply
    13,526.46x = 18,666.60 × 7,558.38
  4. Step 4: Simplify right side
    13,526.46x = 141,089,162.78
  5. Step 5: Solve for x
    x = 141,089,162.78/13,526.46
  6. Step 6: Final answer
    x = 10,430.61

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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.