Home / 10,658.63-15,988.58-4,419.10

Finding the Fourth Proportional to 10,658.63, 15,988.58 and 4,419.10

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Solution

The fourth proportional to 10,658.63, 15,988.58 and 4,419.10 is: 6,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.63 : 15,988.58 = 4,419.10 : x
  2. Step 2: Convert to fraction form
    10,658.63/15,988.58 = 4,419.10/x
  3. Step 3: Cross multiply
    10,658.63x = 15,988.58 × 4,419.10
  4. Step 4: Simplify right side
    10,658.63x = 70,655,133.88
  5. Step 5: Solve for x
    x = 70,655,133.88/10,658.63
  6. Step 6: Final answer
    x = 6,628.91

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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.