Home / 12,809.04-19,214.64-9,368.16

Finding the Fourth Proportional to 12,809.04, 19,214.64 and 9,368.16

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Solution

The fourth proportional to 12,809.04, 19,214.64 and 9,368.16 is: 14,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809.04 : 19,214.64 = 9,368.16 : x
  2. Step 2: Convert to fraction form
    12,809.04/19,214.64 = 9,368.16/x
  3. Step 3: Cross multiply
    12,809.04x = 19,214.64 × 9,368.16
  4. Step 4: Simplify right side
    12,809.04x = 180,005,821.86
  5. Step 5: Solve for x
    x = 180,005,821.86/12,809.04
  6. Step 6: Final answer
    x = 14,053.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.