Home / 10,295.20-14,210.09-7,109.02

Finding the Fourth Proportional to 10,295.20, 14,210.09 and 7,109.02

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Solution

The fourth proportional to 10,295.20, 14,210.09 and 7,109.02 is: 9,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.20 : 14,210.09 = 7,109.02 : x
  2. Step 2: Convert to fraction form
    10,295.20/14,210.09 = 7,109.02/x
  3. Step 3: Cross multiply
    10,295.20x = 14,210.09 × 7,109.02
  4. Step 4: Simplify right side
    10,295.20x = 101,019,814.01
  5. Step 5: Solve for x
    x = 101,019,814.01/10,295.20
  6. Step 6: Final answer
    x = 9,812.32

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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.