Home / 14,159.32-19,534.99-8,779.82

Finding the Fourth Proportional to 14,159.32, 19,534.99 and 8,779.82

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Solution

The fourth proportional to 14,159.32, 19,534.99 and 8,779.82 is: 12,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.32 : 19,534.99 = 8,779.82 : x
  2. Step 2: Convert to fraction form
    14,159.32/19,534.99 = 8,779.82/x
  3. Step 3: Cross multiply
    14,159.32x = 19,534.99 × 8,779.82
  4. Step 4: Simplify right side
    14,159.32x = 171,513,684.72
  5. Step 5: Solve for x
    x = 171,513,684.72/14,159.32
  6. Step 6: Final answer
    x = 12,113.13

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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.