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Finding the Fourth Proportional to 14,802.60, 22,214.70 and 9,870.60

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Solution

The fourth proportional to 14,802.60, 22,214.70 and 9,870.60 is: 14,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.60 : 22,214.70 = 9,870.60 : x
  2. Step 2: Convert to fraction form
    14,802.60/22,214.70 = 9,870.60/x
  3. Step 3: Cross multiply
    14,802.60x = 22,214.70 × 9,870.60
  4. Step 4: Simplify right side
    14,802.60x = 219,272,417.82
  5. Step 5: Solve for x
    x = 219,272,417.82/14,802.60
  6. Step 6: Final answer
    x = 14,813.10

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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.