Home / 10,346.65-14,271.20-6,942.10

Finding the Fourth Proportional to 10,346.65, 14,271.20 and 6,942.10

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Solution

The fourth proportional to 10,346.65, 14,271.20 and 6,942.10 is: 9,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.65 : 14,271.20 = 6,942.10 : x
  2. Step 2: Convert to fraction form
    10,346.65/14,271.20 = 6,942.10/x
  3. Step 3: Cross multiply
    10,346.65x = 14,271.20 × 6,942.10
  4. Step 4: Simplify right side
    10,346.65x = 99,072,124.81
  5. Step 5: Solve for x
    x = 99,072,124.81/10,346.65
  6. Step 6: Final answer
    x = 9,575.29

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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.