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Finding the Fourth Proportional to 10,599.84, 14,634.50 and 6,824.40

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Solution

The fourth proportional to 10,599.84, 14,634.50 and 6,824.40 is: 9,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.84 : 14,634.50 = 6,824.40 : x
  2. Step 2: Convert to fraction form
    10,599.84/14,634.50 = 6,824.40/x
  3. Step 3: Cross multiply
    10,599.84x = 14,634.50 × 6,824.40
  4. Step 4: Simplify right side
    10,599.84x = 99,871,681.80
  5. Step 5: Solve for x
    x = 99,871,681.80/10,599.84
  6. Step 6: Final answer
    x = 9,422.00

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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.