Home / 14,063.60-19,403.88-9,810.08

Finding the Fourth Proportional to 14,063.60, 19,403.88 and 9,810.08

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Solution

The fourth proportional to 14,063.60, 19,403.88 and 9,810.08 is: 13,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.60 : 19,403.88 = 9,810.08 : x
  2. Step 2: Convert to fraction form
    14,063.60/19,403.88 = 9,810.08/x
  3. Step 3: Cross multiply
    14,063.60x = 19,403.88 × 9,810.08
  4. Step 4: Simplify right side
    14,063.60x = 190,353,615.11
  5. Step 5: Solve for x
    x = 190,353,615.11/14,063.60
  6. Step 6: Final answer
    x = 13,535.20

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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.