Home / 15,368.50-21,202.70-8,993.06

Finding the Fourth Proportional to 15,368.50, 21,202.70 and 8,993.06

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Solution

The fourth proportional to 15,368.50, 21,202.70 and 8,993.06 is: 12,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.50 : 21,202.70 = 8,993.06 : x
  2. Step 2: Convert to fraction form
    15,368.50/21,202.70 = 8,993.06/x
  3. Step 3: Cross multiply
    15,368.50x = 21,202.70 × 8,993.06
  4. Step 4: Simplify right side
    15,368.50x = 190,677,153.26
  5. Step 5: Solve for x
    x = 190,677,153.26/15,368.50
  6. Step 6: Final answer
    x = 12,407.01

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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.