Home / 14,135.28-19,507.23-7,848.84

Finding the Fourth Proportional to 14,135.28, 19,507.23 and 7,848.84

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Solution

The fourth proportional to 14,135.28, 19,507.23 and 7,848.84 is: 10,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.28 : 19,507.23 = 7,848.84 : x
  2. Step 2: Convert to fraction form
    14,135.28/19,507.23 = 7,848.84/x
  3. Step 3: Cross multiply
    14,135.28x = 19,507.23 × 7,848.84
  4. Step 4: Simplify right side
    14,135.28x = 153,109,127.11
  5. Step 5: Solve for x
    x = 153,109,127.11/14,135.28
  6. Step 6: Final answer
    x = 10,831.70

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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.