Home / 13,790.25-19,030.59-7,502.63

Finding the Fourth Proportional to 13,790.25, 19,030.59 and 7,502.63

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Solution

The fourth proportional to 13,790.25, 19,030.59 and 7,502.63 is: 10,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.25 : 19,030.59 = 7,502.63 : x
  2. Step 2: Convert to fraction form
    13,790.25/19,030.59 = 7,502.63/x
  3. Step 3: Cross multiply
    13,790.25x = 19,030.59 × 7,502.63
  4. Step 4: Simplify right side
    13,790.25x = 142,779,380.30
  5. Step 5: Solve for x
    x = 142,779,380.30/13,790.25
  6. Step 6: Final answer
    x = 10,353.65

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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.