Home / 10,365.90-14,283.70-9,807.54

Finding the Fourth Proportional to 10,365.90, 14,283.70 and 9,807.54

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Solution

The fourth proportional to 10,365.90, 14,283.70 and 9,807.54 is: 13,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.90 : 14,283.70 = 9,807.54 : x
  2. Step 2: Convert to fraction form
    10,365.90/14,283.70 = 9,807.54/x
  3. Step 3: Cross multiply
    10,365.90x = 14,283.70 × 9,807.54
  4. Step 4: Simplify right side
    10,365.90x = 140,087,959.10
  5. Step 5: Solve for x
    x = 140,087,959.10/10,365.90
  6. Step 6: Final answer
    x = 13,514.31

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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.