Home / 14,702.77-20,285.36-8,328.35

Finding the Fourth Proportional to 14,702.77, 20,285.36 and 8,328.35

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Solution

The fourth proportional to 14,702.77, 20,285.36 and 8,328.35 is: 11,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.77 : 20,285.36 = 8,328.35 : x
  2. Step 2: Convert to fraction form
    14,702.77/20,285.36 = 8,328.35/x
  3. Step 3: Cross multiply
    14,702.77x = 20,285.36 × 8,328.35
  4. Step 4: Simplify right side
    14,702.77x = 168,943,548.99
  5. Step 5: Solve for x
    x = 168,943,548.99/14,702.77
  6. Step 6: Final answer
    x = 11,490.59

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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.