Home / 13,130.18-19,698.20-4,810.02

Finding the Fourth Proportional to 13,130.18, 19,698.20 and 4,810.02

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Solution

The fourth proportional to 13,130.18, 19,698.20 and 4,810.02 is: 7,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.18 : 19,698.20 = 4,810.02 : x
  2. Step 2: Convert to fraction form
    13,130.18/19,698.20 = 4,810.02/x
  3. Step 3: Cross multiply
    13,130.18x = 19,698.20 × 4,810.02
  4. Step 4: Simplify right side
    13,130.18x = 94,748,735.96
  5. Step 5: Solve for x
    x = 94,748,735.96/13,130.18
  6. Step 6: Final answer
    x = 7,216.10

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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.