Home / 13,810.03-19,055.72-7,759.08

Finding the Fourth Proportional to 13,810.03, 19,055.72 and 7,759.08

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Solution

The fourth proportional to 13,810.03, 19,055.72 and 7,759.08 is: 10,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.03 : 19,055.72 = 7,759.08 : x
  2. Step 2: Convert to fraction form
    13,810.03/19,055.72 = 7,759.08/x
  3. Step 3: Cross multiply
    13,810.03x = 19,055.72 × 7,759.08
  4. Step 4: Simplify right side
    13,810.03x = 147,854,875.34
  5. Step 5: Solve for x
    x = 147,854,875.34/13,810.03
  6. Step 6: Final answer
    x = 10,706.34

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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.