Home / 10,328.72-14,237.27-9,470.62

Finding the Fourth Proportional to 10,328.72, 14,237.27 and 9,470.62

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Solution

The fourth proportional to 10,328.72, 14,237.27 and 9,470.62 is: 13,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.72 : 14,237.27 = 9,470.62 : x
  2. Step 2: Convert to fraction form
    10,328.72/14,237.27 = 9,470.62/x
  3. Step 3: Cross multiply
    10,328.72x = 14,237.27 × 9,470.62
  4. Step 4: Simplify right side
    10,328.72x = 134,835,779.97
  5. Step 5: Solve for x
    x = 134,835,779.97/10,328.72
  6. Step 6: Final answer
    x = 13,054.46

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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.