Home / 19,281.60-26,585.28-13,303.80

Finding the Fourth Proportional to 19,281.60, 26,585.28 and 13,303.80

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Solution

The fourth proportional to 19,281.60, 26,585.28 and 13,303.80 is: 18,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.60 : 26,585.28 = 13,303.80 : x
  2. Step 2: Convert to fraction form
    19,281.60/26,585.28 = 13,303.80/x
  3. Step 3: Cross multiply
    19,281.60x = 26,585.28 × 13,303.80
  4. Step 4: Simplify right side
    19,281.60x = 353,685,248.06
  5. Step 5: Solve for x
    x = 353,685,248.06/19,281.60
  6. Step 6: Final answer
    x = 18,343.15

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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.