Home / 14,308.50-21,437.73-9,928.74

Finding the Fourth Proportional to 14,308.50, 21,437.73 and 9,928.74

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Solution

The fourth proportional to 14,308.50, 21,437.73 and 9,928.74 is: 14,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.50 : 21,437.73 = 9,928.74 : x
  2. Step 2: Convert to fraction form
    14,308.50/21,437.73 = 9,928.74/x
  3. Step 3: Cross multiply
    14,308.50x = 21,437.73 × 9,928.74
  4. Step 4: Simplify right side
    14,308.50x = 212,849,647.36
  5. Step 5: Solve for x
    x = 212,849,647.36/14,308.50
  6. Step 6: Final answer
    x = 14,875.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.