Home / 13,042.81-19,566.65-4,280.23

Finding the Fourth Proportional to 13,042.81, 19,566.65 and 4,280.23

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Solution

The fourth proportional to 13,042.81, 19,566.65 and 4,280.23 is: 6,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.81 : 19,566.65 = 4,280.23 : x
  2. Step 2: Convert to fraction form
    13,042.81/19,566.65 = 4,280.23/x
  3. Step 3: Cross multiply
    13,042.81x = 19,566.65 × 4,280.23
  4. Step 4: Simplify right side
    13,042.81x = 83,749,762.33
  5. Step 5: Solve for x
    x = 83,749,762.33/13,042.81
  6. Step 6: Final answer
    x = 6,421.14

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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.