Home / 10,700.34-16,110.02-9,271.50

Finding the Fourth Proportional to 10,700.34, 16,110.02 and 9,271.50

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Solution

The fourth proportional to 10,700.34, 16,110.02 and 9,271.50 is: 13,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.34 : 16,110.02 = 9,271.50 : x
  2. Step 2: Convert to fraction form
    10,700.34/16,110.02 = 9,271.50/x
  3. Step 3: Cross multiply
    10,700.34x = 16,110.02 × 9,271.50
  4. Step 4: Simplify right side
    10,700.34x = 149,364,004.07
  5. Step 5: Solve for x
    x = 149,364,004.07/10,700.34
  6. Step 6: Final answer
    x = 13,958.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.