Home / 11,829.88-16,328.08-7,113.25

Finding the Fourth Proportional to 11,829.88, 16,328.08 and 7,113.25

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Solution

The fourth proportional to 11,829.88, 16,328.08 and 7,113.25 is: 9,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.88 : 16,328.08 = 7,113.25 : x
  2. Step 2: Convert to fraction form
    11,829.88/16,328.08 = 7,113.25/x
  3. Step 3: Cross multiply
    11,829.88x = 16,328.08 × 7,113.25
  4. Step 4: Simplify right side
    11,829.88x = 116,145,715.06
  5. Step 5: Solve for x
    x = 116,145,715.06/11,829.88
  6. Step 6: Final answer
    x = 9,818.00

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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.