Home / 14,090.40-19,444.50-7,802.64

Finding the Fourth Proportional to 14,090.40, 19,444.50 and 7,802.64

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Solution

The fourth proportional to 14,090.40, 19,444.50 and 7,802.64 is: 10,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.40 : 19,444.50 = 7,802.64 : x
  2. Step 2: Convert to fraction form
    14,090.40/19,444.50 = 7,802.64/x
  3. Step 3: Cross multiply
    14,090.40x = 19,444.50 × 7,802.64
  4. Step 4: Simplify right side
    14,090.40x = 151,718,433.48
  5. Step 5: Solve for x
    x = 151,718,433.48/14,090.40
  6. Step 6: Final answer
    x = 10,767.50

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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.