Home / 13,903.02-19,186.20-7,615.26

Finding the Fourth Proportional to 13,903.02, 19,186.20 and 7,615.26

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Solution

The fourth proportional to 13,903.02, 19,186.20 and 7,615.26 is: 10,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.02 : 19,186.20 = 7,615.26 : x
  2. Step 2: Convert to fraction form
    13,903.02/19,186.20 = 7,615.26/x
  3. Step 3: Cross multiply
    13,903.02x = 19,186.20 × 7,615.26
  4. Step 4: Simplify right side
    13,903.02x = 146,107,901.41
  5. Step 5: Solve for x
    x = 146,107,901.41/13,903.02
  6. Step 6: Final answer
    x = 10,509.08

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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.