Home / 15,539.49-21,444.51-8,465.93

Finding the Fourth Proportional to 15,539.49, 21,444.51 and 8,465.93

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Solution

The fourth proportional to 15,539.49, 21,444.51 and 8,465.93 is: 11,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.49 : 21,444.51 = 8,465.93 : x
  2. Step 2: Convert to fraction form
    15,539.49/21,444.51 = 8,465.93/x
  3. Step 3: Cross multiply
    15,539.49x = 21,444.51 × 8,465.93
  4. Step 4: Simplify right side
    15,539.49x = 181,547,613.32
  5. Step 5: Solve for x
    x = 181,547,613.32/15,539.49
  6. Step 6: Final answer
    x = 11,682.98

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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.