Home / 14,278.04-19,703.38-7,904.26

Finding the Fourth Proportional to 14,278.04, 19,703.38 and 7,904.26

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Solution

The fourth proportional to 14,278.04, 19,703.38 and 7,904.26 is: 10,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.04 : 19,703.38 = 7,904.26 : x
  2. Step 2: Convert to fraction form
    14,278.04/19,703.38 = 7,904.26/x
  3. Step 3: Cross multiply
    14,278.04x = 19,703.38 × 7,904.26
  4. Step 4: Simplify right side
    14,278.04x = 155,740,638.40
  5. Step 5: Solve for x
    x = 155,740,638.40/14,278.04
  6. Step 6: Final answer
    x = 10,907.70

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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.