Home / 14,276.99-19,702.35-7,903.40

Finding the Fourth Proportional to 14,276.99, 19,702.35 and 7,903.40

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Solution

The fourth proportional to 14,276.99, 19,702.35 and 7,903.40 is: 10,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.99 : 19,702.35 = 7,903.40 : x
  2. Step 2: Convert to fraction form
    14,276.99/19,702.35 = 7,903.40/x
  3. Step 3: Cross multiply
    14,276.99x = 19,702.35 × 7,903.40
  4. Step 4: Simplify right side
    14,276.99x = 155,715,454.48
  5. Step 5: Solve for x
    x = 155,715,454.48/14,276.99
  6. Step 6: Final answer
    x = 10,906.74

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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.