Home / 14,283.36-19,710.08-7,909.50

Finding the Fourth Proportional to 14,283.36, 19,710.08 and 7,909.50

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Solution

The fourth proportional to 14,283.36, 19,710.08 and 7,909.50 is: 10,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.36 : 19,710.08 = 7,909.50 : x
  2. Step 2: Convert to fraction form
    14,283.36/19,710.08 = 7,909.50/x
  3. Step 3: Cross multiply
    14,283.36x = 19,710.08 × 7,909.50
  4. Step 4: Simplify right side
    14,283.36x = 155,896,877.76
  5. Step 5: Solve for x
    x = 155,896,877.76/14,283.36
  6. Step 6: Final answer
    x = 10,914.58

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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.