Home / 14,070.65-19,409.04-9,290.64

Finding the Fourth Proportional to 14,070.65, 19,409.04 and 9,290.64

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Solution

The fourth proportional to 14,070.65, 19,409.04 and 9,290.64 is: 12,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.65 : 19,409.04 = 9,290.64 : x
  2. Step 2: Convert to fraction form
    14,070.65/19,409.04 = 9,290.64/x
  3. Step 3: Cross multiply
    14,070.65x = 19,409.04 × 9,290.64
  4. Step 4: Simplify right side
    14,070.65x = 180,322,403.39
  5. Step 5: Solve for x
    x = 180,322,403.39/14,070.65
  6. Step 6: Final answer
    x = 12,815.50

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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.