Home / 13,903.65-19,187.01-7,615.89

Finding the Fourth Proportional to 13,903.65, 19,187.01 and 7,615.89

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Solution

The fourth proportional to 13,903.65, 19,187.01 and 7,615.89 is: 10,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.65 : 19,187.01 = 7,615.89 : x
  2. Step 2: Convert to fraction form
    13,903.65/19,187.01 = 7,615.89/x
  3. Step 3: Cross multiply
    13,903.65x = 19,187.01 × 7,615.89
  4. Step 4: Simplify right side
    13,903.65x = 146,126,157.59
  5. Step 5: Solve for x
    x = 146,126,157.59/13,903.65
  6. Step 6: Final answer
    x = 10,509.91

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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.