Home / 14,011.02-19,335.20-7,637.60

Finding the Fourth Proportional to 14,011.02, 19,335.20 and 7,637.60

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Solution

The fourth proportional to 14,011.02, 19,335.20 and 7,637.60 is: 10,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.02 : 19,335.20 = 7,637.60 : x
  2. Step 2: Convert to fraction form
    14,011.02/19,335.20 = 7,637.60/x
  3. Step 3: Cross multiply
    14,011.02x = 19,335.20 × 7,637.60
  4. Step 4: Simplify right side
    14,011.02x = 147,674,523.52
  5. Step 5: Solve for x
    x = 147,674,523.52/14,011.02
  6. Step 6: Final answer
    x = 10,539.88

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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.