Home / 10,654.40-14,704.80-6,465.60

Finding the Fourth Proportional to 10,654.40, 14,704.80 and 6,465.60

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Solution

The fourth proportional to 10,654.40, 14,704.80 and 6,465.60 is: 8,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.40 : 14,704.80 = 6,465.60 : x
  2. Step 2: Convert to fraction form
    10,654.40/14,704.80 = 6,465.60/x
  3. Step 3: Cross multiply
    10,654.40x = 14,704.80 × 6,465.60
  4. Step 4: Simplify right side
    10,654.40x = 95,075,354.88
  5. Step 5: Solve for x
    x = 95,075,354.88/10,654.40
  6. Step 6: Final answer
    x = 8,923.58

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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.