Home / 11,403.02-15,738.90-7,210.46

Finding the Fourth Proportional to 11,403.02, 15,738.90 and 7,210.46

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Solution

The fourth proportional to 11,403.02, 15,738.90 and 7,210.46 is: 9,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.02 : 15,738.90 = 7,210.46 : x
  2. Step 2: Convert to fraction form
    11,403.02/15,738.90 = 7,210.46/x
  3. Step 3: Cross multiply
    11,403.02x = 15,738.90 × 7,210.46
  4. Step 4: Simplify right side
    11,403.02x = 113,484,708.89
  5. Step 5: Solve for x
    x = 113,484,708.89/11,403.02
  6. Step 6: Final answer
    x = 9,952.16

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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.