Home / 14,031.64-19,365.51-9,779.95

Finding the Fourth Proportional to 14,031.64, 19,365.51 and 9,779.95

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Solution

The fourth proportional to 14,031.64, 19,365.51 and 9,779.95 is: 13,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.64 : 19,365.51 = 9,779.95 : x
  2. Step 2: Convert to fraction form
    14,031.64/19,365.51 = 9,779.95/x
  3. Step 3: Cross multiply
    14,031.64x = 19,365.51 × 9,779.95
  4. Step 4: Simplify right side
    14,031.64x = 189,393,719.52
  5. Step 5: Solve for x
    x = 189,393,719.52/14,031.64
  6. Step 6: Final answer
    x = 13,497.62

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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.