Home / 20,303.04-28,024.14-11,807.16

Finding the Fourth Proportional to 20,303.04, 28,024.14 and 11,807.16

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Solution

The fourth proportional to 20,303.04, 28,024.14 and 11,807.16 is: 16,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.04 : 28,024.14 = 11,807.16 : x
  2. Step 2: Convert to fraction form
    20,303.04/28,024.14 = 11,807.16/x
  3. Step 3: Cross multiply
    20,303.04x = 28,024.14 × 11,807.16
  4. Step 4: Simplify right side
    20,303.04x = 330,885,504.84
  5. Step 5: Solve for x
    x = 330,885,504.84/20,303.04
  6. Step 6: Final answer
    x = 16,297.34

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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.