Home / 13,303.65-19,881.93-12,535.47

Finding the Fourth Proportional to 13,303.65, 19,881.93 and 12,535.47

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Solution

The fourth proportional to 13,303.65, 19,881.93 and 12,535.47 is: 18,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.65 : 19,881.93 = 12,535.47 : x
  2. Step 2: Convert to fraction form
    13,303.65/19,881.93 = 12,535.47/x
  3. Step 3: Cross multiply
    13,303.65x = 19,881.93 × 12,535.47
  4. Step 4: Simplify right side
    13,303.65x = 249,229,337.06
  5. Step 5: Solve for x
    x = 249,229,337.06/13,303.65
  6. Step 6: Final answer
    x = 18,733.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.