Home / 13,089.18-19,633.80-5,303.46

Finding the Fourth Proportional to 13,089.18, 19,633.80 and 5,303.46

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Solution

The fourth proportional to 13,089.18, 19,633.80 and 5,303.46 is: 7,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.18 : 19,633.80 = 5,303.46 : x
  2. Step 2: Convert to fraction form
    13,089.18/19,633.80 = 5,303.46/x
  3. Step 3: Cross multiply
    13,089.18x = 19,633.80 × 5,303.46
  4. Step 4: Simplify right side
    13,089.18x = 104,127,072.95
  5. Step 5: Solve for x
    x = 104,127,072.95/13,089.18
  6. Step 6: Final answer
    x = 7,955.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.