Home / 19,686.04-29,459.70-12,293.98

Finding the Fourth Proportional to 19,686.04, 29,459.70 and 12,293.98

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Solution

The fourth proportional to 19,686.04, 29,459.70 and 12,293.98 is: 18,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.04 : 29,459.70 = 12,293.98 : x
  2. Step 2: Convert to fraction form
    19,686.04/29,459.70 = 12,293.98/x
  3. Step 3: Cross multiply
    19,686.04x = 29,459.70 × 12,293.98
  4. Step 4: Simplify right side
    19,686.04x = 362,176,888.96
  5. Step 5: Solve for x
    x = 362,176,888.96/19,686.04
  6. Step 6: Final answer
    x = 18,397.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.