Home / 13,153.02-19,730.57-4,387.93

Finding the Fourth Proportional to 13,153.02, 19,730.57 and 4,387.93

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Solution

The fourth proportional to 13,153.02, 19,730.57 and 4,387.93 is: 6,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.02 : 19,730.57 = 4,387.93 : x
  2. Step 2: Convert to fraction form
    13,153.02/19,730.57 = 4,387.93/x
  3. Step 3: Cross multiply
    13,153.02x = 19,730.57 × 4,387.93
  4. Step 4: Simplify right side
    13,153.02x = 86,576,362.74
  5. Step 5: Solve for x
    x = 86,576,362.74/13,153.02
  6. Step 6: Final answer
    x = 6,582.24

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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.