Home / 11,416.04-15,756.78-7,430.24

Finding the Fourth Proportional to 11,416.04, 15,756.78 and 7,430.24

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Solution

The fourth proportional to 11,416.04, 15,756.78 and 7,430.24 is: 10,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.04 : 15,756.78 = 7,430.24 : x
  2. Step 2: Convert to fraction form
    11,416.04/15,756.78 = 7,430.24/x
  3. Step 3: Cross multiply
    11,416.04x = 15,756.78 × 7,430.24
  4. Step 4: Simplify right side
    11,416.04x = 117,076,657.03
  5. Step 5: Solve for x
    x = 117,076,657.03/11,416.04
  6. Step 6: Final answer
    x = 10,255.45

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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.