Home / 14,136.56-19,509.60-7,848.80

Finding the Fourth Proportional to 14,136.56, 19,509.60 and 7,848.80

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Solution

The fourth proportional to 14,136.56, 19,509.60 and 7,848.80 is: 10,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.56 : 19,509.60 = 7,848.80 : x
  2. Step 2: Convert to fraction form
    14,136.56/19,509.60 = 7,848.80/x
  3. Step 3: Cross multiply
    14,136.56x = 19,509.60 × 7,848.80
  4. Step 4: Simplify right side
    14,136.56x = 153,126,948.48
  5. Step 5: Solve for x
    x = 153,126,948.48/14,136.56
  6. Step 6: Final answer
    x = 10,831.98

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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.