Home / 14,315.42-21,484.67-9,870.35

Finding the Fourth Proportional to 14,315.42, 21,484.67 and 9,870.35

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Solution

The fourth proportional to 14,315.42, 21,484.67 and 9,870.35 is: 14,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.42 : 21,484.67 = 9,870.35 : x
  2. Step 2: Convert to fraction form
    14,315.42/21,484.67 = 9,870.35/x
  3. Step 3: Cross multiply
    14,315.42x = 21,484.67 × 9,870.35
  4. Step 4: Simplify right side
    14,315.42x = 212,061,055.76
  5. Step 5: Solve for x
    x = 212,061,055.76/14,315.42
  6. Step 6: Final answer
    x = 14,813.48

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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.