Home / 13,132.36-19,701.48-4,812.28

Finding the Fourth Proportional to 13,132.36, 19,701.48 and 4,812.28

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Solution

The fourth proportional to 13,132.36, 19,701.48 and 4,812.28 is: 7,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.36 : 19,701.48 = 4,812.28 : x
  2. Step 2: Convert to fraction form
    13,132.36/19,701.48 = 4,812.28/x
  3. Step 3: Cross multiply
    13,132.36x = 19,701.48 × 4,812.28
  4. Step 4: Simplify right side
    13,132.36x = 94,809,038.17
  5. Step 5: Solve for x
    x = 94,809,038.17/13,132.36
  6. Step 6: Final answer
    x = 7,219.50

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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.