Home / 14,870.88-20,545.92-12,656.16

Finding the Fourth Proportional to 14,870.88, 20,545.92 and 12,656.16

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Solution

The fourth proportional to 14,870.88, 20,545.92 and 12,656.16 is: 17,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.88 : 20,545.92 = 12,656.16 : x
  2. Step 2: Convert to fraction form
    14,870.88/20,545.92 = 12,656.16/x
  3. Step 3: Cross multiply
    14,870.88x = 20,545.92 × 12,656.16
  4. Step 4: Simplify right side
    14,870.88x = 260,032,450.87
  5. Step 5: Solve for x
    x = 260,032,450.87/14,870.88
  6. Step 6: Final answer
    x = 17,486.02

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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.