Home / 10,355.04-14,295.84-6,824.40

Finding the Fourth Proportional to 10,355.04, 14,295.84 and 6,824.40

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Solution

The fourth proportional to 10,355.04, 14,295.84 and 6,824.40 is: 9,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.04 : 14,295.84 = 6,824.40 : x
  2. Step 2: Convert to fraction form
    10,355.04/14,295.84 = 6,824.40/x
  3. Step 3: Cross multiply
    10,355.04x = 14,295.84 × 6,824.40
  4. Step 4: Simplify right side
    10,355.04x = 97,560,570.10
  5. Step 5: Solve for x
    x = 97,560,570.10/10,355.04
  6. Step 6: Final answer
    x = 9,421.55

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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.