Home / 14,803.20-20,430.36-9,499.32

Finding the Fourth Proportional to 14,803.20, 20,430.36 and 9,499.32

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Solution

The fourth proportional to 14,803.20, 20,430.36 and 9,499.32 is: 13,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.20 : 20,430.36 = 9,499.32 : x
  2. Step 2: Convert to fraction form
    14,803.20/20,430.36 = 9,499.32/x
  3. Step 3: Cross multiply
    14,803.20x = 20,430.36 × 9,499.32
  4. Step 4: Simplify right side
    14,803.20x = 194,074,527.36
  5. Step 5: Solve for x
    x = 194,074,527.36/14,803.20
  6. Step 6: Final answer
    x = 13,110.31

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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.