Home / 9,699.81-14,556.09-5,320.34

Finding the Fourth Proportional to 9,699.81, 14,556.09 and 5,320.34

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Solution

The fourth proportional to 9,699.81, 14,556.09 and 5,320.34 is: 7,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.81 : 14,556.09 = 5,320.34 : x
  2. Step 2: Convert to fraction form
    9,699.81/14,556.09 = 5,320.34/x
  3. Step 3: Cross multiply
    9,699.81x = 14,556.09 × 5,320.34
  4. Step 4: Simplify right side
    9,699.81x = 77,443,347.87
  5. Step 5: Solve for x
    x = 77,443,347.87/9,699.81
  6. Step 6: Final answer
    x = 7,984.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.